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Finding the Fourth Proportional to 63,133.52, 87,127.08 and 36,284.72

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Solution

The fourth proportional to 63,133.52, 87,127.08 and 36,284.72 is: 50,074.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,133.52 : 87,127.08 = 36,284.72 : x
  2. Step 2: Convert to fraction form
    63,133.52/87,127.08 = 36,284.72/x
  3. Step 3: Cross multiply
    63,133.52x = 87,127.08 × 36,284.72
  4. Step 4: Simplify right side
    63,133.52x = 3,161,381,702.22
  5. Step 5: Solve for x
    x = 3,161,381,702.22/63,133.52
  6. Step 6: Final answer
    x = 50,074.54

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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.