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Finding the Fourth Proportional to 38,468.04, 57,709.08 and 17,691

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Solution

The fourth proportional to 38,468.04, 57,709.08 and 17,691 is: 26,539.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,468.04 : 57,709.08 = 17,691 : x
  2. Step 2: Convert to fraction form
    38,468.04/57,709.08 = 17,691/x
  3. Step 3: Cross multiply
    38,468.04x = 57,709.08 × 17,691
  4. Step 4: Simplify right side
    38,468.04x = 1,020,931,334.28
  5. Step 5: Solve for x
    x = 1,020,931,334.28/38,468.04
  6. Step 6: Final answer
    x = 26,539.73

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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.