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Finding the Fourth Proportional to 29,610.32, 40,880.04 and 18,447.44

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Solution

The fourth proportional to 29,610.32, 40,880.04 and 18,447.44 is: 25,468.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,610.32 : 40,880.04 = 18,447.44 : x
  2. Step 2: Convert to fraction form
    29,610.32/40,880.04 = 18,447.44/x
  3. Step 3: Cross multiply
    29,610.32x = 40,880.04 × 18,447.44
  4. Step 4: Simplify right side
    29,610.32x = 754,132,085.10
  5. Step 5: Solve for x
    x = 754,132,085.10/29,610.32
  6. Step 6: Final answer
    x = 25,468.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.