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Finding the Fourth Proportional to 12,496.76, 18,750 and 4,711.04

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Solution

The fourth proportional to 12,496.76, 18,750 and 4,711.04 is: 7,068.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,496.76 : 18,750 = 4,711.04 : x
  2. Step 2: Convert to fraction form
    12,496.76/18,750 = 4,711.04/x
  3. Step 3: Cross multiply
    12,496.76x = 18,750 × 4,711.04
  4. Step 4: Simplify right side
    12,496.76x = 88,332,000
  5. Step 5: Solve for x
    x = 88,332,000/12,496.76
  6. Step 6: Final answer
    x = 7,068.39

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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.