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Finding the Fourth Proportional to 34,480.47, 51,678.90 and 15,734.82

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Solution

The fourth proportional to 34,480.47, 51,678.90 and 15,734.82 is: 23,583.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,480.47 : 51,678.90 = 15,734.82 : x
  2. Step 2: Convert to fraction form
    34,480.47/51,678.90 = 15,734.82/x
  3. Step 3: Cross multiply
    34,480.47x = 51,678.90 × 15,734.82
  4. Step 4: Simplify right side
    34,480.47x = 813,158,189.30
  5. Step 5: Solve for x
    x = 813,158,189.30/34,480.47
  6. Step 6: Final answer
    x = 23,583.15

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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.