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Finding the Fourth Proportional to 15,006.70, 22,510.05 and 3,913.75

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Solution

The fourth proportional to 15,006.70, 22,510.05 and 3,913.75 is: 5,870.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,006.70 : 22,510.05 = 3,913.75 : x
  2. Step 2: Convert to fraction form
    15,006.70/22,510.05 = 3,913.75/x
  3. Step 3: Cross multiply
    15,006.70x = 22,510.05 × 3,913.75
  4. Step 4: Simplify right side
    15,006.70x = 88,098,708.19
  5. Step 5: Solve for x
    x = 88,098,708.19/15,006.70
  6. Step 6: Final answer
    x = 5,870.63

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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.