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Finding the Fourth Proportional to 79,386.75, 119,080.13 and 23,982.75

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Solution

The fourth proportional to 79,386.75, 119,080.13 and 23,982.75 is: 35,974.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,386.75 : 119,080.13 = 23,982.75 : x
  2. Step 2: Convert to fraction form
    79,386.75/119,080.13 = 23,982.75/x
  3. Step 3: Cross multiply
    79,386.75x = 119,080.13 × 23,982.75
  4. Step 4: Simplify right side
    79,386.75x = 2,855,868,867.84
  5. Step 5: Solve for x
    x = 2,855,868,867.84/79,386.75
  6. Step 6: Final answer
    x = 35,974.13

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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.