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Finding the Fourth Proportional to 63,546.76, 87,705 and 35,261.56

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Solution

The fourth proportional to 63,546.76, 87,705 and 35,261.56 is: 48,666.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,546.76 : 87,705 = 35,261.56 : x
  2. Step 2: Convert to fraction form
    63,546.76/87,705 = 35,261.56/x
  3. Step 3: Cross multiply
    63,546.76x = 87,705 × 35,261.56
  4. Step 4: Simplify right side
    63,546.76x = 3,092,615,119.80
  5. Step 5: Solve for x
    x = 3,092,615,119.80/63,546.76
  6. Step 6: Final answer
    x = 48,666.76

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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.