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Finding the Fourth Proportional to 51,710.55, 71,360.51 and 29,354.55

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Solution

The fourth proportional to 51,710.55, 71,360.51 and 29,354.55 is: 40,509.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,710.55 : 71,360.51 = 29,354.55 : x
  2. Step 2: Convert to fraction form
    51,710.55/71,360.51 = 29,354.55/x
  3. Step 3: Cross multiply
    51,710.55x = 71,360.51 × 29,354.55
  4. Step 4: Simplify right side
    51,710.55x = 2,094,755,375.40
  5. Step 5: Solve for x
    x = 2,094,755,375.40/51,710.55
  6. Step 6: Final answer
    x = 40,509.25

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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.