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Finding the Fourth Proportional to 58,694.40, 88,106.40 and 36,532.80

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Solution

The fourth proportional to 58,694.40, 88,106.40 and 36,532.80 is: 54,839.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,694.40 : 88,106.40 = 36,532.80 : x
  2. Step 2: Convert to fraction form
    58,694.40/88,106.40 = 36,532.80/x
  3. Step 3: Cross multiply
    58,694.40x = 88,106.40 × 36,532.80
  4. Step 4: Simplify right side
    58,694.40x = 3,218,773,489.92
  5. Step 5: Solve for x
    x = 3,218,773,489.92/58,694.40
  6. Step 6: Final answer
    x = 54,839.53

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Why These Related Problems?

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