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Finding the Fourth Proportional to 51,605.60, 77,397.60 and 25,329.20

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Solution

The fourth proportional to 51,605.60, 77,397.60 and 25,329.20 is: 37,988.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,605.60 : 77,397.60 = 25,329.20 : x
  2. Step 2: Convert to fraction form
    51,605.60/77,397.60 = 25,329.20/x
  3. Step 3: Cross multiply
    51,605.60x = 77,397.60 × 25,329.20
  4. Step 4: Simplify right side
    51,605.60x = 1,960,419,289.92
  5. Step 5: Solve for x
    x = 1,960,419,289.92/51,605.60
  6. Step 6: Final answer
    x = 37,988.50

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1.5x scale

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.