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Finding the Fourth Proportional to 61,000.59, 84,176.90 and 34,138.56

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Solution

The fourth proportional to 61,000.59, 84,176.90 and 34,138.56 is: 47,109.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,000.59 : 84,176.90 = 34,138.56 : x
  2. Step 2: Convert to fraction form
    61,000.59/84,176.90 = 34,138.56/x
  3. Step 3: Cross multiply
    61,000.59x = 84,176.90 × 34,138.56
  4. Step 4: Simplify right side
    61,000.59x = 2,873,678,151.26
  5. Step 5: Solve for x
    x = 2,873,678,151.26/61,000.59
  6. Step 6: Final answer
    x = 47,109.02

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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.