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Finding the Fourth Proportional to 17,600.55, 26,418.53 and 15,612.20

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Solution

The fourth proportional to 17,600.55, 26,418.53 and 15,612.20 is: 23,434.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,600.55 : 26,418.53 = 15,612.20 : x
  2. Step 2: Convert to fraction form
    17,600.55/26,418.53 = 15,612.20/x
  3. Step 3: Cross multiply
    17,600.55x = 26,418.53 × 15,612.20
  4. Step 4: Simplify right side
    17,600.55x = 412,451,374.07
  5. Step 5: Solve for x
    x = 412,451,374.07/17,600.55
  6. Step 6: Final answer
    x = 23,434.00

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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.