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Finding the Fourth Proportional to 63,099.88, 87,078.18 and 34,805.56

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Solution

The fourth proportional to 63,099.88, 87,078.18 and 34,805.56 is: 48,031.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,099.88 : 87,078.18 = 34,805.56 : x
  2. Step 2: Convert to fraction form
    63,099.88/87,078.18 = 34,805.56/x
  3. Step 3: Cross multiply
    63,099.88x = 87,078.18 × 34,805.56
  4. Step 4: Simplify right side
    63,099.88x = 3,030,804,818.68
  5. Step 5: Solve for x
    x = 3,030,804,818.68/63,099.88
  6. Step 6: Final answer
    x = 48,031.86

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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.