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Finding the Fourth Proportional to 59,653.68, 89,478.49 and 15,280.86

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Solution

The fourth proportional to 59,653.68, 89,478.49 and 15,280.86 is: 22,920.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,653.68 : 89,478.49 = 15,280.86 : x
  2. Step 2: Convert to fraction form
    59,653.68/89,478.49 = 15,280.86/x
  3. Step 3: Cross multiply
    59,653.68x = 89,478.49 × 15,280.86
  4. Step 4: Simplify right side
    59,653.68x = 1,367,308,278.70
  5. Step 5: Solve for x
    x = 1,367,308,278.70/59,653.68
  6. Step 6: Final answer
    x = 22,920.77

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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.