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Finding the Fourth Proportional to 54,349.80, 75,934.20 and 54,349.80

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Solution

The fourth proportional to 54,349.80, 75,934.20 and 54,349.80 is: 75,934.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,349.80 : 75,934.20 = 54,349.80 : x
  2. Step 2: Convert to fraction form
    54,349.80/75,934.20 = 54,349.80/x
  3. Step 3: Cross multiply
    54,349.80x = 75,934.20 × 54,349.80
  4. Step 4: Simplify right side
    54,349.80x = 4,127,008,583.16
  5. Step 5: Solve for x
    x = 4,127,008,583.16/54,349.80
  6. Step 6: Final answer
    x = 75,934.20

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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.