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Finding the Fourth Proportional to 54,535.40, 81,803.10 and 41,413.40

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Solution

The fourth proportional to 54,535.40, 81,803.10 and 41,413.40 is: 62,120.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,535.40 : 81,803.10 = 41,413.40 : x
  2. Step 2: Convert to fraction form
    54,535.40/81,803.10 = 41,413.40/x
  3. Step 3: Cross multiply
    54,535.40x = 81,803.10 × 41,413.40
  4. Step 4: Simplify right side
    54,535.40x = 3,387,744,501.54
  5. Step 5: Solve for x
    x = 3,387,744,501.54/54,535.40
  6. Step 6: Final answer
    x = 62,120.10

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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.