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Finding the Fourth Proportional to 60,007.68, 90,007.20 and 36,584.64

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Solution

The fourth proportional to 60,007.68, 90,007.20 and 36,584.64 is: 54,874.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,007.68 : 90,007.20 = 36,584.64 : x
  2. Step 2: Convert to fraction form
    60,007.68/90,007.20 = 36,584.64/x
  3. Step 3: Cross multiply
    60,007.68x = 90,007.20 × 36,584.64
  4. Step 4: Simplify right side
    60,007.68x = 3,292,881,009.41
  5. Step 5: Solve for x
    x = 3,292,881,009.41/60,007.68
  6. Step 6: Final answer
    x = 54,874.33

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.