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Finding the Fourth Proportional to 45,843.20, 68,732.40 and 17,752.40

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Solution

The fourth proportional to 45,843.20, 68,732.40 and 17,752.40 is: 26,616.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,843.20 : 68,732.40 = 17,752.40 : x
  2. Step 2: Convert to fraction form
    45,843.20/68,732.40 = 17,752.40/x
  3. Step 3: Cross multiply
    45,843.20x = 68,732.40 × 17,752.40
  4. Step 4: Simplify right side
    45,843.20x = 1,220,165,057.76
  5. Step 5: Solve for x
    x = 1,220,165,057.76/45,843.20
  6. Step 6: Final answer
    x = 26,616.05

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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.