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Finding the Fourth Proportional to 63,858.51, 88,091.30 and 48,724.92

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Solution

The fourth proportional to 63,858.51, 88,091.30 and 48,724.92 is: 67,214.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,858.51 : 88,091.30 = 48,724.92 : x
  2. Step 2: Convert to fraction form
    63,858.51/88,091.30 = 48,724.92/x
  3. Step 3: Cross multiply
    63,858.51x = 88,091.30 × 48,724.92
  4. Step 4: Simplify right side
    63,858.51x = 4,292,241,301.57
  5. Step 5: Solve for x
    x = 4,292,241,301.57/63,858.51
  6. Step 6: Final answer
    x = 67,214.87

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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.