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Finding the Fourth Proportional to 54,610.62, 75,342.06 and 31,942.38

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Solution

The fourth proportional to 54,610.62, 75,342.06 and 31,942.38 is: 44,068.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,610.62 : 75,342.06 = 31,942.38 : x
  2. Step 2: Convert to fraction form
    54,610.62/75,342.06 = 31,942.38/x
  3. Step 3: Cross multiply
    54,610.62x = 75,342.06 × 31,942.38
  4. Step 4: Simplify right side
    54,610.62x = 2,406,604,710.50
  5. Step 5: Solve for x
    x = 2,406,604,710.50/54,610.62
  6. Step 6: Final answer
    x = 44,068.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.