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Finding the Fourth Proportional to 70,104.38, 96,745.44 and 38,273.40

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Solution

The fourth proportional to 70,104.38, 96,745.44 and 38,273.40 is: 52,818.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,104.38 : 96,745.44 = 38,273.40 : x
  2. Step 2: Convert to fraction form
    70,104.38/96,745.44 = 38,273.40/x
  3. Step 3: Cross multiply
    70,104.38x = 96,745.44 × 38,273.40
  4. Step 4: Simplify right side
    70,104.38x = 3,702,776,923.30
  5. Step 5: Solve for x
    x = 3,702,776,923.30/70,104.38
  6. Step 6: Final answer
    x = 52,818.05

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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.