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Finding the Fourth Proportional to 63,568, 87,723.84 and 35,278.24

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Solution

The fourth proportional to 63,568, 87,723.84 and 35,278.24 is: 48,683.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,568 : 87,723.84 = 35,278.24 : x
  2. Step 2: Convert to fraction form
    63,568/87,723.84 = 35,278.24/x
  3. Step 3: Cross multiply
    63,568x = 87,723.84 × 35,278.24
  4. Step 4: Simplify right side
    63,568x = 3,094,742,681.24
  5. Step 5: Solve for x
    x = 3,094,742,681.24/63,568
  6. Step 6: Final answer
    x = 48,683.97

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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.