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Finding the Fourth Proportional to 65,413.92, 98,120.16 and 16,165.92

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Solution

The fourth proportional to 65,413.92, 98,120.16 and 16,165.92 is: 24,248.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,413.92 : 98,120.16 = 16,165.92 : x
  2. Step 2: Convert to fraction form
    65,413.92/98,120.16 = 16,165.92/x
  3. Step 3: Cross multiply
    65,413.92x = 98,120.16 × 16,165.92
  4. Step 4: Simplify right side
    65,413.92x = 1,586,202,656.95
  5. Step 5: Solve for x
    x = 1,586,202,656.95/65,413.92
  6. Step 6: Final answer
    x = 24,248.70

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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.