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Finding the Fourth Proportional to 39,193.70, 58,750.29 and 15,491.62

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Solution

The fourth proportional to 39,193.70, 58,750.29 and 15,491.62 is: 23,221.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,193.70 : 58,750.29 = 15,491.62 : x
  2. Step 2: Convert to fraction form
    39,193.70/58,750.29 = 15,491.62/x
  3. Step 3: Cross multiply
    39,193.70x = 58,750.29 × 15,491.62
  4. Step 4: Simplify right side
    39,193.70x = 910,137,167.57
  5. Step 5: Solve for x
    x = 910,137,167.57/39,193.70
  6. Step 6: Final answer
    x = 23,221.52

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1.5x scale

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.