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Finding the Fourth Proportional to 15,137.80, 22,700.22 and 4,750.36

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Solution

The fourth proportional to 15,137.80, 22,700.22 and 4,750.36 is: 7,123.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,137.80 : 22,700.22 = 4,750.36 : x
  2. Step 2: Convert to fraction form
    15,137.80/22,700.22 = 4,750.36/x
  3. Step 3: Cross multiply
    15,137.80x = 22,700.22 × 4,750.36
  4. Step 4: Simplify right side
    15,137.80x = 107,834,217.08
  5. Step 5: Solve for x
    x = 107,834,217.08/15,137.80
  6. Step 6: Final answer
    x = 7,123.51

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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.