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Finding the Fourth Proportional to 75,574.69, 104,293.17 and 42,040.69

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Solution

The fourth proportional to 75,574.69, 104,293.17 and 42,040.69 is: 58,016.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,574.69 : 104,293.17 = 42,040.69 : x
  2. Step 2: Convert to fraction form
    75,574.69/104,293.17 = 42,040.69/x
  3. Step 3: Cross multiply
    75,574.69x = 104,293.17 × 42,040.69
  4. Step 4: Simplify right side
    75,574.69x = 4,384,556,568.35
  5. Step 5: Solve for x
    x = 4,384,556,568.35/75,574.69
  6. Step 6: Final answer
    x = 58,016.21

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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.