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Finding the Fourth Proportional to 63,269.90, 87,316.29 and 36,411.82

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Solution

The fourth proportional to 63,269.90, 87,316.29 and 36,411.82 is: 50,250.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,269.90 : 87,316.29 = 36,411.82 : x
  2. Step 2: Convert to fraction form
    63,269.90/87,316.29 = 36,411.82/x
  3. Step 3: Cross multiply
    63,269.90x = 87,316.29 × 36,411.82
  4. Step 4: Simplify right side
    63,269.90x = 3,179,344,415.91
  5. Step 5: Solve for x
    x = 3,179,344,415.91/63,269.90
  6. Step 6: Final answer
    x = 50,250.51

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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.