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Finding the Fourth Proportional to 29,421.99, 40,593.02 and 18,250.47

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Solution

The fourth proportional to 29,421.99, 40,593.02 and 18,250.47 is: 25,179.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,421.99 : 40,593.02 = 18,250.47 : x
  2. Step 2: Convert to fraction form
    29,421.99/40,593.02 = 18,250.47/x
  3. Step 3: Cross multiply
    29,421.99x = 40,593.02 × 18,250.47
  4. Step 4: Simplify right side
    29,421.99x = 740,841,602.47
  5. Step 5: Solve for x
    x = 740,841,602.47/29,421.99
  6. Step 6: Final answer
    x = 25,179.86

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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.