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Finding the Fourth Proportional to 39,812.36, 59,731.02 and 16,449.80

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Solution

The fourth proportional to 39,812.36, 59,731.02 and 16,449.80 is: 24,679.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,812.36 : 59,731.02 = 16,449.80 : x
  2. Step 2: Convert to fraction form
    39,812.36/59,731.02 = 16,449.80/x
  3. Step 3: Cross multiply
    39,812.36x = 59,731.02 × 16,449.80
  4. Step 4: Simplify right side
    39,812.36x = 982,563,332.80
  5. Step 5: Solve for x
    x = 982,563,332.80/39,812.36
  6. Step 6: Final answer
    x = 24,679.86

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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.