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Finding the Fourth Proportional to 63,316.82, 87,378.06 and 36,464.06

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Solution

The fourth proportional to 63,316.82, 87,378.06 and 36,464.06 is: 50,320.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,316.82 : 87,378.06 = 36,464.06 : x
  2. Step 2: Convert to fraction form
    63,316.82/87,378.06 = 36,464.06/x
  3. Step 3: Cross multiply
    63,316.82x = 87,378.06 × 36,464.06
  4. Step 4: Simplify right side
    63,316.82x = 3,186,158,822.52
  5. Step 5: Solve for x
    x = 3,186,158,822.52/63,316.82
  6. Step 6: Final answer
    x = 50,320.89

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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.