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Finding the Fourth Proportional to 32,280.56, 48,413.28 and 8,908.88

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Solution

The fourth proportional to 32,280.56, 48,413.28 and 8,908.88 is: 13,361.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,280.56 : 48,413.28 = 8,908.88 : x
  2. Step 2: Convert to fraction form
    32,280.56/48,413.28 = 8,908.88/x
  3. Step 3: Cross multiply
    32,280.56x = 48,413.28 × 8,908.88
  4. Step 4: Simplify right side
    32,280.56x = 431,308,101.93
  5. Step 5: Solve for x
    x = 431,308,101.93/32,280.56
  6. Step 6: Final answer
    x = 13,361.23

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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.