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Finding the Fourth Proportional to 42,161.99, 58,191.71 and 27,073.71

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Solution

The fourth proportional to 42,161.99, 58,191.71 and 27,073.71 is: 37,366.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,161.99 : 58,191.71 = 27,073.71 : x
  2. Step 2: Convert to fraction form
    42,161.99/58,191.71 = 27,073.71/x
  3. Step 3: Cross multiply
    42,161.99x = 58,191.71 × 27,073.71
  4. Step 4: Simplify right side
    42,161.99x = 1,575,465,345.58
  5. Step 5: Solve for x
    x = 1,575,465,345.58/42,161.99
  6. Step 6: Final answer
    x = 37,366.96

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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.