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Finding the Fourth Proportional to 29,178.01, 40,264.99 and 17,847.66

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Solution

The fourth proportional to 29,178.01, 40,264.99 and 17,847.66 is: 24,629.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,178.01 : 40,264.99 = 17,847.66 : x
  2. Step 2: Convert to fraction form
    29,178.01/40,264.99 = 17,847.66/x
  3. Step 3: Cross multiply
    29,178.01x = 40,264.99 × 17,847.66
  4. Step 4: Simplify right side
    29,178.01x = 718,635,851.42
  5. Step 5: Solve for x
    x = 718,635,851.42/29,178.01
  6. Step 6: Final answer
    x = 24,629.36

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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.