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Finding the Fourth Proportional to 54,275.60, 81,413.40 and 48,832.40

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Solution

The fourth proportional to 54,275.60, 81,413.40 and 48,832.40 is: 73,248.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,275.60 : 81,413.40 = 48,832.40 : x
  2. Step 2: Convert to fraction form
    54,275.60/81,413.40 = 48,832.40/x
  3. Step 3: Cross multiply
    54,275.60x = 81,413.40 × 48,832.40
  4. Step 4: Simplify right side
    54,275.60x = 3,975,611,714.16
  5. Step 5: Solve for x
    x = 3,975,611,714.16/54,275.60
  6. Step 6: Final answer
    x = 73,248.60

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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.