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Finding the Fourth Proportional to 52,646.55, 72,652.11 and 28,773.39

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Solution

The fourth proportional to 52,646.55, 72,652.11 and 28,773.39 is: 39,707.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,646.55 : 72,652.11 = 28,773.39 : x
  2. Step 2: Convert to fraction form
    52,646.55/72,652.11 = 28,773.39/x
  3. Step 3: Cross multiply
    52,646.55x = 72,652.11 × 28,773.39
  4. Step 4: Simplify right side
    52,646.55x = 2,090,447,781.29
  5. Step 5: Solve for x
    x = 2,090,447,781.29/52,646.55
  6. Step 6: Final answer
    x = 39,707.21

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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.