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Finding the Fourth Proportional to 63,398.56, 87,491.19 and 36,536.53

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Solution

The fourth proportional to 63,398.56, 87,491.19 and 36,536.53 is: 50,421.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,398.56 : 87,491.19 = 36,536.53 : x
  2. Step 2: Convert to fraction form
    63,398.56/87,491.19 = 36,536.53/x
  3. Step 3: Cross multiply
    63,398.56x = 87,491.19 × 36,536.53
  4. Step 4: Simplify right side
    63,398.56x = 3,196,624,488.17
  5. Step 5: Solve for x
    x = 3,196,624,488.17/63,398.56
  6. Step 6: Final answer
    x = 50,421.09

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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.