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Finding the Fourth Proportional to 1,663.02, 2,494.88 and 883.50

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Solution

The fourth proportional to 1,663.02, 2,494.88 and 883.50 is: 1,325.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,663.02 : 2,494.88 = 883.50 : x
  2. Step 2: Convert to fraction form
    1,663.02/2,494.88 = 883.50/x
  3. Step 3: Cross multiply
    1,663.02x = 2,494.88 × 883.50
  4. Step 4: Simplify right side
    1,663.02x = 2,204,226.48
  5. Step 5: Solve for x
    x = 2,204,226.48/1,663.02
  6. Step 6: Final answer
    x = 1,325.44

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Double scale
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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.