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Finding the Fourth Proportional to 29,602.64, 40,855.92 and 17,666.48

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Solution

The fourth proportional to 29,602.64, 40,855.92 and 17,666.48 is: 24,382.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,602.64 : 40,855.92 = 17,666.48 : x
  2. Step 2: Convert to fraction form
    29,602.64/40,855.92 = 17,666.48/x
  3. Step 3: Cross multiply
    29,602.64x = 40,855.92 × 17,666.48
  4. Step 4: Simplify right side
    29,602.64x = 721,780,293.56
  5. Step 5: Solve for x
    x = 721,780,293.56/29,602.64
  6. Step 6: Final answer
    x = 24,382.29

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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.