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Finding the Fourth Proportional to 60,104.01, 82,915.61 and 38,890.11

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Solution

The fourth proportional to 60,104.01, 82,915.61 and 38,890.11 is: 53,650.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,104.01 : 82,915.61 = 38,890.11 : x
  2. Step 2: Convert to fraction form
    60,104.01/82,915.61 = 38,890.11/x
  3. Step 3: Cross multiply
    60,104.01x = 82,915.61 × 38,890.11
  4. Step 4: Simplify right side
    60,104.01x = 3,224,596,999.17
  5. Step 5: Solve for x
    x = 3,224,596,999.17/60,104.01
  6. Step 6: Final answer
    x = 53,650.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.