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Finding the Fourth Proportional to 59,290.54, 81,841.78 and 36,646.90

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Solution

The fourth proportional to 59,290.54, 81,841.78 and 36,646.90 is: 50,585.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,290.54 : 81,841.78 = 36,646.90 : x
  2. Step 2: Convert to fraction form
    59,290.54/81,841.78 = 36,646.90/x
  3. Step 3: Cross multiply
    59,290.54x = 81,841.78 × 36,646.90
  4. Step 4: Simplify right side
    59,290.54x = 2,999,247,527.48
  5. Step 5: Solve for x
    x = 2,999,247,527.48/59,290.54
  6. Step 6: Final answer
    x = 50,585.60

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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.