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Finding the Fourth Proportional to 63,789.88, 88,033.48 and 35,496.18

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Solution

The fourth proportional to 63,789.88, 88,033.48 and 35,496.18 is: 48,986.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,789.88 : 88,033.48 = 35,496.18 : x
  2. Step 2: Convert to fraction form
    63,789.88/88,033.48 = 35,496.18/x
  3. Step 3: Cross multiply
    63,789.88x = 88,033.48 × 35,496.18
  4. Step 4: Simplify right side
    63,789.88x = 3,124,852,252.11
  5. Step 5: Solve for x
    x = 3,124,852,252.11/63,789.88
  6. Step 6: Final answer
    x = 48,986.65

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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.