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Finding the Fourth Proportional to 54,046.08, 80,999.40 and 22,420.40

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Solution

The fourth proportional to 54,046.08, 80,999.40 and 22,420.40 is: 33,601.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,046.08 : 80,999.40 = 22,420.40 : x
  2. Step 2: Convert to fraction form
    54,046.08/80,999.40 = 22,420.40/x
  3. Step 3: Cross multiply
    54,046.08x = 80,999.40 × 22,420.40
  4. Step 4: Simplify right side
    54,046.08x = 1,816,038,947.76
  5. Step 5: Solve for x
    x = 1,816,038,947.76/54,046.08
  6. Step 6: Final answer
    x = 33,601.68

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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.