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Finding the Fourth Proportional to 63,275.68, 87,311.12 and 36,052

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Solution

The fourth proportional to 63,275.68, 87,311.12 and 36,052 is: 49,746.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,275.68 : 87,311.12 = 36,052 : x
  2. Step 2: Convert to fraction form
    63,275.68/87,311.12 = 36,052/x
  3. Step 3: Cross multiply
    63,275.68x = 87,311.12 × 36,052
  4. Step 4: Simplify right side
    63,275.68x = 3,147,740,498.24
  5. Step 5: Solve for x
    x = 3,147,740,498.24/63,275.68
  6. Step 6: Final answer
    x = 49,746.45

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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.