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Finding the Fourth Proportional to 39,614.70, 59,411.04 and 15,922.20

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Solution

The fourth proportional to 39,614.70, 59,411.04 and 15,922.20 is: 23,878.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,614.70 : 59,411.04 = 15,922.20 : x
  2. Step 2: Convert to fraction form
    39,614.70/59,411.04 = 15,922.20/x
  3. Step 3: Cross multiply
    39,614.70x = 59,411.04 × 15,922.20
  4. Step 4: Simplify right side
    39,614.70x = 945,954,461.09
  5. Step 5: Solve for x
    x = 945,954,461.09/39,614.70
  6. Step 6: Final answer
    x = 23,878.87

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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.