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Finding the Fourth Proportional to 63,853.39, 88,086.09 and 38,347.48

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Solution

The fourth proportional to 63,853.39, 88,086.09 and 38,347.48 is: 52,900.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,853.39 : 88,086.09 = 38,347.48 : x
  2. Step 2: Convert to fraction form
    63,853.39/88,086.09 = 38,347.48/x
  3. Step 3: Cross multiply
    63,853.39x = 88,086.09 × 38,347.48
  4. Step 4: Simplify right side
    63,853.39x = 3,377,879,574.55
  5. Step 5: Solve for x
    x = 3,377,879,574.55/63,853.39
  6. Step 6: Final answer
    x = 52,900.55

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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.