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Finding the Fourth Proportional to 55,053.60, 75,935.52 and 34,641.60

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Solution

The fourth proportional to 55,053.60, 75,935.52 and 34,641.60 is: 47,781.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,053.60 : 75,935.52 = 34,641.60 : x
  2. Step 2: Convert to fraction form
    55,053.60/75,935.52 = 34,641.60/x
  3. Step 3: Cross multiply
    55,053.60x = 75,935.52 × 34,641.60
  4. Step 4: Simplify right side
    55,053.60x = 2,630,527,909.63
  5. Step 5: Solve for x
    x = 2,630,527,909.63/55,053.60
  6. Step 6: Final answer
    x = 47,781.22

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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.