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Finding the Fourth Proportional to 61,766.16, 92,649.45 and 15,019.04

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Solution

The fourth proportional to 61,766.16, 92,649.45 and 15,019.04 is: 22,528.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,766.16 : 92,649.45 = 15,019.04 : x
  2. Step 2: Convert to fraction form
    61,766.16/92,649.45 = 15,019.04/x
  3. Step 3: Cross multiply
    61,766.16x = 92,649.45 × 15,019.04
  4. Step 4: Simplify right side
    61,766.16x = 1,391,505,332.28
  5. Step 5: Solve for x
    x = 1,391,505,332.28/61,766.16
  6. Step 6: Final answer
    x = 22,528.60

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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.