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Finding the Fourth Proportional to 63,652.14, 87,840.20 and 34,974.12

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Solution

The fourth proportional to 63,652.14, 87,840.20 and 34,974.12 is: 48,264.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,652.14 : 87,840.20 = 34,974.12 : x
  2. Step 2: Convert to fraction form
    63,652.14/87,840.20 = 34,974.12/x
  3. Step 3: Cross multiply
    63,652.14x = 87,840.20 × 34,974.12
  4. Step 4: Simplify right side
    63,652.14x = 3,072,134,112.46
  5. Step 5: Solve for x
    x = 3,072,134,112.46/63,652.14
  6. Step 6: Final answer
    x = 48,264.43

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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.