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Finding the Fourth Proportional to 72,330.90, 108,512.55 and 22,413.30

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Solution

The fourth proportional to 72,330.90, 108,512.55 and 22,413.30 is: 33,624.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,330.90 : 108,512.55 = 22,413.30 : x
  2. Step 2: Convert to fraction form
    72,330.90/108,512.55 = 22,413.30/x
  3. Step 3: Cross multiply
    72,330.90x = 108,512.55 × 22,413.30
  4. Step 4: Simplify right side
    72,330.90x = 2,432,124,336.92
  5. Step 5: Solve for x
    x = 2,432,124,336.92/72,330.90
  6. Step 6: Final answer
    x = 33,624.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.