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Finding the Fourth Proportional to 70,149.77, 96,806.67 and 37,884.38

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Solution

The fourth proportional to 70,149.77, 96,806.67 and 37,884.38 is: 52,280.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,149.77 : 96,806.67 = 37,884.38 : x
  2. Step 2: Convert to fraction form
    70,149.77/96,806.67 = 37,884.38/x
  3. Step 3: Cross multiply
    70,149.77x = 96,806.67 × 37,884.38
  4. Step 4: Simplify right side
    70,149.77x = 3,667,460,804.35
  5. Step 5: Solve for x
    x = 3,667,460,804.35/70,149.77
  6. Step 6: Final answer
    x = 52,280.44

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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.