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Finding the Fourth Proportional to 27,073.60, 40,648.80 and 16,705.60

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Solution

The fourth proportional to 27,073.60, 40,648.80 and 16,705.60 is: 25,082.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,073.60 : 40,648.80 = 16,705.60 : x
  2. Step 2: Convert to fraction form
    27,073.60/40,648.80 = 16,705.60/x
  3. Step 3: Cross multiply
    27,073.60x = 40,648.80 × 16,705.60
  4. Step 4: Simplify right side
    27,073.60x = 679,062,593.28
  5. Step 5: Solve for x
    x = 679,062,593.28/27,073.60
  6. Step 6: Final answer
    x = 25,082.09

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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.