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Finding the Fourth Proportional to 63,298.66, 87,325.77 and 36,434.74

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Solution

The fourth proportional to 63,298.66, 87,325.77 and 36,434.74 is: 50,264.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,298.66 : 87,325.77 = 36,434.74 : x
  2. Step 2: Convert to fraction form
    63,298.66/87,325.77 = 36,434.74/x
  3. Step 3: Cross multiply
    63,298.66x = 87,325.77 × 36,434.74
  4. Step 4: Simplify right side
    63,298.66x = 3,181,691,725.25
  5. Step 5: Solve for x
    x = 3,181,691,725.25/63,298.66
  6. Step 6: Final answer
    x = 50,264.76

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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.