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Finding the Fourth Proportional to 16,809.48, 25,214.22 and 16,785.18

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Solution

The fourth proportional to 16,809.48, 25,214.22 and 16,785.18 is: 25,177.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,809.48 : 25,214.22 = 16,785.18 : x
  2. Step 2: Convert to fraction form
    16,809.48/25,214.22 = 16,785.18/x
  3. Step 3: Cross multiply
    16,809.48x = 25,214.22 × 16,785.18
  4. Step 4: Simplify right side
    16,809.48x = 423,225,221.26
  5. Step 5: Solve for x
    x = 423,225,221.26/16,809.48
  6. Step 6: Final answer
    x = 25,177.77

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.