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Finding the Fourth Proportional to 63,874.08, 88,142.40 and 35,574.72

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Solution

The fourth proportional to 63,874.08, 88,142.40 and 35,574.72 is: 49,090.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,874.08 : 88,142.40 = 35,574.72 : x
  2. Step 2: Convert to fraction form
    63,874.08/88,142.40 = 35,574.72/x
  3. Step 3: Cross multiply
    63,874.08x = 88,142.40 × 35,574.72
  4. Step 4: Simplify right side
    63,874.08x = 3,135,641,200.13
  5. Step 5: Solve for x
    x = 3,135,641,200.13/63,874.08
  6. Step 6: Final answer
    x = 49,090.98

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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.