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Finding the Fourth Proportional to 63,970.56, 88,279.52 and 35,678.08

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Solution

The fourth proportional to 63,970.56, 88,279.52 and 35,678.08 is: 49,235.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,970.56 : 88,279.52 = 35,678.08 : x
  2. Step 2: Convert to fraction form
    63,970.56/88,279.52 = 35,678.08/x
  3. Step 3: Cross multiply
    63,970.56x = 88,279.52 × 35,678.08
  4. Step 4: Simplify right side
    63,970.56x = 3,149,643,776.92
  5. Step 5: Solve for x
    x = 3,149,643,776.92/63,970.56
  6. Step 6: Final answer
    x = 49,235.83

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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.