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Finding the Fourth Proportional to 24,043.40, 36,040.80 and 10,905.20

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Solution

The fourth proportional to 24,043.40, 36,040.80 and 10,905.20 is: 16,346.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,043.40 : 36,040.80 = 10,905.20 : x
  2. Step 2: Convert to fraction form
    24,043.40/36,040.80 = 10,905.20/x
  3. Step 3: Cross multiply
    24,043.40x = 36,040.80 × 10,905.20
  4. Step 4: Simplify right side
    24,043.40x = 393,032,132.16
  5. Step 5: Solve for x
    x = 393,032,132.16/24,043.40
  6. Step 6: Final answer
    x = 16,346.78

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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.