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Finding the Fourth Proportional to 63,134.34, 87,125.89 and 34,454.22

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Solution

The fourth proportional to 63,134.34, 87,125.89 and 34,454.22 is: 47,547.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,134.34 : 87,125.89 = 34,454.22 : x
  2. Step 2: Convert to fraction form
    63,134.34/87,125.89 = 34,454.22/x
  3. Step 3: Cross multiply
    63,134.34x = 87,125.89 × 34,454.22
  4. Step 4: Simplify right side
    63,134.34x = 3,001,854,894.55
  5. Step 5: Solve for x
    x = 3,001,854,894.55/63,134.34
  6. Step 6: Final answer
    x = 47,547.10

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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.