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Finding the Fourth Proportional to 15,152.54, 22,731.27 and 4,479.98

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Solution

The fourth proportional to 15,152.54, 22,731.27 and 4,479.98 is: 6,720.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,152.54 : 22,731.27 = 4,479.98 : x
  2. Step 2: Convert to fraction form
    15,152.54/22,731.27 = 4,479.98/x
  3. Step 3: Cross multiply
    15,152.54x = 22,731.27 × 4,479.98
  4. Step 4: Simplify right side
    15,152.54x = 101,835,634.97
  5. Step 5: Solve for x
    x = 101,835,634.97/15,152.54
  6. Step 6: Final answer
    x = 6,720.70

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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.