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Finding the Fourth Proportional to 47,581.70, 71,373.70 and 15,992.22

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Solution

The fourth proportional to 47,581.70, 71,373.70 and 15,992.22 is: 23,988.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,581.70 : 71,373.70 = 15,992.22 : x
  2. Step 2: Convert to fraction form
    47,581.70/71,373.70 = 15,992.22/x
  3. Step 3: Cross multiply
    47,581.70x = 71,373.70 × 15,992.22
  4. Step 4: Simplify right side
    47,581.70x = 1,141,423,912.61
  5. Step 5: Solve for x
    x = 1,141,423,912.61/47,581.70
  6. Step 6: Final answer
    x = 23,988.72

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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.