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Finding the Fourth Proportional to 54,244.80, 76,046.40 and 54,244.80

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Solution

The fourth proportional to 54,244.80, 76,046.40 and 54,244.80 is: 76,046.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,244.80 : 76,046.40 = 54,244.80 : x
  2. Step 2: Convert to fraction form
    54,244.80/76,046.40 = 54,244.80/x
  3. Step 3: Cross multiply
    54,244.80x = 76,046.40 × 54,244.80
  4. Step 4: Simplify right side
    54,244.80x = 4,125,121,758.72
  5. Step 5: Solve for x
    x = 4,125,121,758.72/54,244.80
  6. Step 6: Final answer
    x = 76,046.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.