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Finding the Fourth Proportional to 29,321.71, 40,462.96 and 17,377.96

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Solution

The fourth proportional to 29,321.71, 40,462.96 and 17,377.96 is: 23,980.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,321.71 : 40,462.96 = 17,377.96 : x
  2. Step 2: Convert to fraction form
    29,321.71/40,462.96 = 17,377.96/x
  3. Step 3: Cross multiply
    29,321.71x = 40,462.96 × 17,377.96
  4. Step 4: Simplify right side
    29,321.71x = 703,163,700.36
  5. Step 5: Solve for x
    x = 703,163,700.36/29,321.71
  6. Step 6: Final answer
    x = 23,980.99

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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.