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Finding the Fourth Proportional to 29,375.53, 40,538.25 and 15,946.76

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Solution

The fourth proportional to 29,375.53, 40,538.25 and 15,946.76 is: 22,006.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,375.53 : 40,538.25 = 15,946.76 : x
  2. Step 2: Convert to fraction form
    29,375.53/40,538.25 = 15,946.76/x
  3. Step 3: Cross multiply
    29,375.53x = 40,538.25 × 15,946.76
  4. Step 4: Simplify right side
    29,375.53x = 646,453,844.92
  5. Step 5: Solve for x
    x = 646,453,844.92/29,375.53
  6. Step 6: Final answer
    x = 22,006.54

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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.