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Finding the Fourth Proportional to 38,695.53, 58,069.19 and 14,071.53

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Solution

The fourth proportional to 38,695.53, 58,069.19 and 14,071.53 is: 21,116.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,695.53 : 58,069.19 = 14,071.53 : x
  2. Step 2: Convert to fraction form
    38,695.53/58,069.19 = 14,071.53/x
  3. Step 3: Cross multiply
    38,695.53x = 58,069.19 × 14,071.53
  4. Step 4: Simplify right side
    38,695.53x = 817,122,278.80
  5. Step 5: Solve for x
    x = 817,122,278.80/38,695.53
  6. Step 6: Final answer
    x = 21,116.71

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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.