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Finding the Fourth Proportional to 24,258.40, 36,387.60 and 16,871.20

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Solution

The fourth proportional to 24,258.40, 36,387.60 and 16,871.20 is: 25,306.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,258.40 : 36,387.60 = 16,871.20 : x
  2. Step 2: Convert to fraction form
    24,258.40/36,387.60 = 16,871.20/x
  3. Step 3: Cross multiply
    24,258.40x = 36,387.60 × 16,871.20
  4. Step 4: Simplify right side
    24,258.40x = 613,902,477.12
  5. Step 5: Solve for x
    x = 613,902,477.12/24,258.40
  6. Step 6: Final answer
    x = 25,306.80

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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.