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Finding the Fourth Proportional to 52,512.76, 78,724.86 and 22,908.88

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Solution

The fourth proportional to 52,512.76, 78,724.86 and 22,908.88 is: 34,344.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,512.76 : 78,724.86 = 22,908.88 : x
  2. Step 2: Convert to fraction form
    52,512.76/78,724.86 = 22,908.88/x
  3. Step 3: Cross multiply
    52,512.76x = 78,724.86 × 22,908.88
  4. Step 4: Simplify right side
    52,512.76x = 1,803,498,370.76
  5. Step 5: Solve for x
    x = 1,803,498,370.76/52,512.76
  6. Step 6: Final answer
    x = 34,344.00

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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.