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Finding the Fourth Proportional to 63,159.17, 87,159.57 and 34,864.79

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Solution

The fourth proportional to 63,159.17, 87,159.57 and 34,864.79 is: 48,113.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,159.17 : 87,159.57 = 34,864.79 : x
  2. Step 2: Convert to fraction form
    63,159.17/87,159.57 = 34,864.79/x
  3. Step 3: Cross multiply
    63,159.17x = 87,159.57 × 34,864.79
  4. Step 4: Simplify right side
    63,159.17x = 3,038,800,104.54
  5. Step 5: Solve for x
    x = 3,038,800,104.54/63,159.17
  6. Step 6: Final answer
    x = 48,113.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.