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Finding the Fourth Proportional to 58,713.33, 87,992.10 and 31,990.77

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Solution

The fourth proportional to 58,713.33, 87,992.10 and 31,990.77 is: 47,943.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,713.33 : 87,992.10 = 31,990.77 : x
  2. Step 2: Convert to fraction form
    58,713.33/87,992.10 = 31,990.77/x
  3. Step 3: Cross multiply
    58,713.33x = 87,992.10 × 31,990.77
  4. Step 4: Simplify right side
    58,713.33x = 2,814,935,032.92
  5. Step 5: Solve for x
    x = 2,814,935,032.92/58,713.33
  6. Step 6: Final answer
    x = 47,943.71

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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.