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Finding the Fourth Proportional to 77,432.39, 116,148.57 and 22,028.39

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Solution

The fourth proportional to 77,432.39, 116,148.57 and 22,028.39 is: 33,042.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,432.39 : 116,148.57 = 22,028.39 : x
  2. Step 2: Convert to fraction form
    77,432.39/116,148.57 = 22,028.39/x
  3. Step 3: Cross multiply
    77,432.39x = 116,148.57 × 22,028.39
  4. Step 4: Simplify right side
    77,432.39x = 2,558,565,997.90
  5. Step 5: Solve for x
    x = 2,558,565,997.90/77,432.39
  6. Step 6: Final answer
    x = 33,042.58

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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.