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Finding the Fourth Proportional to 63,069.68, 87,034.84 and 34,775.44

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Solution

The fourth proportional to 63,069.68, 87,034.84 and 34,775.44 is: 47,989.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,069.68 : 87,034.84 = 34,775.44 : x
  2. Step 2: Convert to fraction form
    63,069.68/87,034.84 = 34,775.44/x
  3. Step 3: Cross multiply
    63,069.68x = 87,034.84 × 34,775.44
  4. Step 4: Simplify right side
    63,069.68x = 3,026,674,856.33
  5. Step 5: Solve for x
    x = 3,026,674,856.33/63,069.68
  6. Step 6: Final answer
    x = 47,989.38

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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.