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Finding the Fourth Proportional to 38,003.30, 57,008.19 and 9,927.08

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Solution

The fourth proportional to 38,003.30, 57,008.19 and 9,927.08 is: 14,891.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,003.30 : 57,008.19 = 9,927.08 : x
  2. Step 2: Convert to fraction form
    38,003.30/57,008.19 = 9,927.08/x
  3. Step 3: Cross multiply
    38,003.30x = 57,008.19 × 9,927.08
  4. Step 4: Simplify right side
    38,003.30x = 565,924,862.79
  5. Step 5: Solve for x
    x = 565,924,862.79/38,003.30
  6. Step 6: Final answer
    x = 14,891.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.