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Finding the Fourth Proportional to 63,663.84, 87,857.28 and 35,372.16

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Solution

The fourth proportional to 63,663.84, 87,857.28 and 35,372.16 is: 48,814.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,663.84 : 87,857.28 = 35,372.16 : x
  2. Step 2: Convert to fraction form
    63,663.84/87,857.28 = 35,372.16/x
  3. Step 3: Cross multiply
    63,663.84x = 87,857.28 × 35,372.16
  4. Step 4: Simplify right side
    63,663.84x = 3,107,701,765.32
  5. Step 5: Solve for x
    x = 3,107,701,765.32/63,663.84
  6. Step 6: Final answer
    x = 48,814.24

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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.