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Finding the Fourth Proportional to 56,418.30, 77,854.52 and 32,552.68

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Solution

The fourth proportional to 56,418.30, 77,854.52 and 32,552.68 is: 44,921.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,418.30 : 77,854.52 = 32,552.68 : x
  2. Step 2: Convert to fraction form
    56,418.30/77,854.52 = 32,552.68/x
  3. Step 3: Cross multiply
    56,418.30x = 77,854.52 × 32,552.68
  4. Step 4: Simplify right side
    56,418.30x = 2,534,373,276.11
  5. Step 5: Solve for x
    x = 2,534,373,276.11/56,418.30
  6. Step 6: Final answer
    x = 44,921.12

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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.