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Finding the Fourth Proportional to 29,436.60, 40,608.22 and 17,491.48

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Solution

The fourth proportional to 29,436.60, 40,608.22 and 17,491.48 is: 24,129.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,436.60 : 40,608.22 = 17,491.48 : x
  2. Step 2: Convert to fraction form
    29,436.60/40,608.22 = 17,491.48/x
  3. Step 3: Cross multiply
    29,436.60x = 40,608.22 × 17,491.48
  4. Step 4: Simplify right side
    29,436.60x = 710,297,867.97
  5. Step 5: Solve for x
    x = 710,297,867.97/29,436.60
  6. Step 6: Final answer
    x = 24,129.75

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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.