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Finding the Fourth Proportional to 31,462.62, 47,193.93 and 8,089.08

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Solution

The fourth proportional to 31,462.62, 47,193.93 and 8,089.08 is: 12,133.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,462.62 : 47,193.93 = 8,089.08 : x
  2. Step 2: Convert to fraction form
    31,462.62/47,193.93 = 8,089.08/x
  3. Step 3: Cross multiply
    31,462.62x = 47,193.93 × 8,089.08
  4. Step 4: Simplify right side
    31,462.62x = 381,755,475.28
  5. Step 5: Solve for x
    x = 381,755,475.28/31,462.62
  6. Step 6: Final answer
    x = 12,133.62

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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.