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Finding the Fourth Proportional to 58,071.93, 87,049.05 and 39,353.84

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Solution

The fourth proportional to 58,071.93, 87,049.05 and 39,353.84 is: 58,990.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,071.93 : 87,049.05 = 39,353.84 : x
  2. Step 2: Convert to fraction form
    58,071.93/87,049.05 = 39,353.84/x
  3. Step 3: Cross multiply
    58,071.93x = 87,049.05 × 39,353.84
  4. Step 4: Simplify right side
    58,071.93x = 3,425,714,385.85
  5. Step 5: Solve for x
    x = 3,425,714,385.85/58,071.93
  6. Step 6: Final answer
    x = 58,990.88

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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.