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Finding the Fourth Proportional to 59,295.92, 88,955.76 and 21,856.16

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Solution

The fourth proportional to 59,295.92, 88,955.76 and 21,856.16 is: 32,788.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,295.92 : 88,955.76 = 21,856.16 : x
  2. Step 2: Convert to fraction form
    59,295.92/88,955.76 = 21,856.16/x
  3. Step 3: Cross multiply
    59,295.92x = 88,955.76 × 21,856.16
  4. Step 4: Simplify right side
    59,295.92x = 1,944,230,878.70
  5. Step 5: Solve for x
    x = 1,944,230,878.70/59,295.92
  6. Step 6: Final answer
    x = 32,788.61

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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.