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Finding the Fourth Proportional to 15,043.46, 22,565.18 and 5,678.24

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Solution

The fourth proportional to 15,043.46, 22,565.18 and 5,678.24 is: 8,517.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,043.46 : 22,565.18 = 5,678.24 : x
  2. Step 2: Convert to fraction form
    15,043.46/22,565.18 = 5,678.24/x
  3. Step 3: Cross multiply
    15,043.46x = 22,565.18 × 5,678.24
  4. Step 4: Simplify right side
    15,043.46x = 128,130,409.05
  5. Step 5: Solve for x
    x = 128,130,409.05/15,043.46
  6. Step 6: Final answer
    x = 8,517.35

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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.