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Finding the Fourth Proportional to 1,351.77, 2,030.72 and 1,167.24

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Solution

The fourth proportional to 1,351.77, 2,030.72 and 1,167.24 is: 1,753.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,351.77 : 2,030.72 = 1,167.24 : x
  2. Step 2: Convert to fraction form
    1,351.77/2,030.72 = 1,167.24/x
  3. Step 3: Cross multiply
    1,351.77x = 2,030.72 × 1,167.24
  4. Step 4: Simplify right side
    1,351.77x = 2,370,331.78
  5. Step 5: Solve for x
    x = 2,370,331.78/1,351.77
  6. Step 6: Final answer
    x = 1,753.50

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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.