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Finding the Fourth Proportional to 29,599.30, 40,840.32 and 17,660.32

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Solution

The fourth proportional to 29,599.30, 40,840.32 and 17,660.32 is: 24,367.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,599.30 : 40,840.32 = 17,660.32 : x
  2. Step 2: Convert to fraction form
    29,599.30/40,840.32 = 17,660.32/x
  3. Step 3: Cross multiply
    29,599.30x = 40,840.32 × 17,660.32
  4. Step 4: Simplify right side
    29,599.30x = 721,253,120.10
  5. Step 5: Solve for x
    x = 721,253,120.10/29,599.30
  6. Step 6: Final answer
    x = 24,367.24

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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.