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Finding the Fourth Proportional to 70,244.72, 96,937.65 and 38,413.61

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Solution

The fourth proportional to 70,244.72, 96,937.65 and 38,413.61 is: 53,010.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,244.72 : 96,937.65 = 38,413.61 : x
  2. Step 2: Convert to fraction form
    70,244.72/96,937.65 = 38,413.61/x
  3. Step 3: Cross multiply
    70,244.72x = 96,937.65 × 38,413.61
  4. Step 4: Simplify right side
    70,244.72x = 3,723,724,596.73
  5. Step 5: Solve for x
    x = 3,723,724,596.73/70,244.72
  6. Step 6: Final answer
    x = 53,010.74

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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.