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Finding the Fourth Proportional to 56,451.60, 77,913.36 and 32,574.96

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Solution

The fourth proportional to 56,451.60, 77,913.36 and 32,574.96 is: 44,959.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,451.60 : 77,913.36 = 32,574.96 : x
  2. Step 2: Convert to fraction form
    56,451.60/77,913.36 = 32,574.96/x
  3. Step 3: Cross multiply
    56,451.60x = 77,913.36 × 32,574.96
  4. Step 4: Simplify right side
    56,451.60x = 2,538,024,585.47
  5. Step 5: Solve for x
    x = 2,538,024,585.47/56,451.60
  6. Step 6: Final answer
    x = 44,959.30

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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.