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Finding the Fourth Proportional to 63,753.36, 87,978.36 and 35,458.44

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Solution

The fourth proportional to 63,753.36, 87,978.36 and 35,458.44 is: 48,931.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,753.36 : 87,978.36 = 35,458.44 : x
  2. Step 2: Convert to fraction form
    63,753.36/87,978.36 = 35,458.44/x
  3. Step 3: Cross multiply
    63,753.36x = 87,978.36 × 35,458.44
  4. Step 4: Simplify right side
    63,753.36x = 3,119,575,399.36
  5. Step 5: Solve for x
    x = 3,119,575,399.36/63,753.36
  6. Step 6: Final answer
    x = 48,931.94

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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.