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Finding the Fourth Proportional to 63,659.44, 87,810.24 and 45,476.56

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Solution

The fourth proportional to 63,659.44, 87,810.24 and 45,476.56 is: 62,729.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,659.44 : 87,810.24 = 45,476.56 : x
  2. Step 2: Convert to fraction form
    63,659.44/87,810.24 = 45,476.56/x
  3. Step 3: Cross multiply
    63,659.44x = 87,810.24 × 45,476.56
  4. Step 4: Simplify right side
    63,659.44x = 3,993,307,647.97
  5. Step 5: Solve for x
    x = 3,993,307,647.97/63,659.44
  6. Step 6: Final answer
    x = 62,729.23

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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.