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Finding the Fourth Proportional to 63,857.30, 88,125.80 and 35,562.98

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Solution

The fourth proportional to 63,857.30, 88,125.80 and 35,562.98 is: 49,078.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,857.30 : 88,125.80 = 35,562.98 : x
  2. Step 2: Convert to fraction form
    63,857.30/88,125.80 = 35,562.98/x
  3. Step 3: Cross multiply
    63,857.30x = 88,125.80 × 35,562.98
  4. Step 4: Simplify right side
    63,857.30x = 3,134,016,604.02
  5. Step 5: Solve for x
    x = 3,134,016,604.02/63,857.30
  6. Step 6: Final answer
    x = 49,078.44

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1.5x scale

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.