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Finding the Fourth Proportional to 63,512.32, 87,647.52 and 35,218.48

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Solution

The fourth proportional to 63,512.32, 87,647.52 and 35,218.48 is: 48,601.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,512.32 : 87,647.52 = 35,218.48 : x
  2. Step 2: Convert to fraction form
    63,512.32/87,647.52 = 35,218.48/x
  3. Step 3: Cross multiply
    63,512.32x = 87,647.52 × 35,218.48
  4. Step 4: Simplify right side
    63,512.32x = 3,086,812,430.17
  5. Step 5: Solve for x
    x = 3,086,812,430.17/63,512.32
  6. Step 6: Final answer
    x = 48,601.79

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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.