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Finding the Fourth Proportional to 63,901.76, 88,163.52 and 38,742.08

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Solution

The fourth proportional to 63,901.76, 88,163.52 and 38,742.08 is: 53,451.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,901.76 : 88,163.52 = 38,742.08 : x
  2. Step 2: Convert to fraction form
    63,901.76/88,163.52 = 38,742.08/x
  3. Step 3: Cross multiply
    63,901.76x = 88,163.52 × 38,742.08
  4. Step 4: Simplify right side
    63,901.76x = 3,415,638,144.92
  5. Step 5: Solve for x
    x = 3,415,638,144.92/63,901.76
  6. Step 6: Final answer
    x = 53,451.39

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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.