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Finding the Fourth Proportional to 58,486.68, 87,737.82 and 20,526.93

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Solution

The fourth proportional to 58,486.68, 87,737.82 and 20,526.93 is: 30,793.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,486.68 : 87,737.82 = 20,526.93 : x
  2. Step 2: Convert to fraction form
    58,486.68/87,737.82 = 20,526.93/x
  3. Step 3: Cross multiply
    58,486.68x = 87,737.82 × 20,526.93
  4. Step 4: Simplify right side
    58,486.68x = 1,800,988,089.49
  5. Step 5: Solve for x
    x = 1,800,988,089.49/58,486.68
  6. Step 6: Final answer
    x = 30,793.13

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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.