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Finding the Fourth Proportional to 34,487.52, 51,731.52 and 15,763.68

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Solution

The fourth proportional to 34,487.52, 51,731.52 and 15,763.68 is: 23,645.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,487.52 : 51,731.52 = 15,763.68 : x
  2. Step 2: Convert to fraction form
    34,487.52/51,731.52 = 15,763.68/x
  3. Step 3: Cross multiply
    34,487.52x = 51,731.52 × 15,763.68
  4. Step 4: Simplify right side
    34,487.52x = 815,479,127.19
  5. Step 5: Solve for x
    x = 815,479,127.19/34,487.52
  6. Step 6: Final answer
    x = 23,645.63

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1.5x scale

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.