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Finding the Fourth Proportional to 58,910.92, 88,346.56 and 18,920.09

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Solution

The fourth proportional to 58,910.92, 88,346.56 and 18,920.09 is: 28,373.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,910.92 : 88,346.56 = 18,920.09 : x
  2. Step 2: Convert to fraction form
    58,910.92/88,346.56 = 18,920.09/x
  3. Step 3: Cross multiply
    58,910.92x = 88,346.56 × 18,920.09
  4. Step 4: Simplify right side
    58,910.92x = 1,671,524,926.83
  5. Step 5: Solve for x
    x = 1,671,524,926.83/58,910.92
  6. Step 6: Final answer
    x = 28,373.77

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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.