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Finding the Fourth Proportional to 2,059.76, 2,841.19 and 1,351.65

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Solution

The fourth proportional to 2,059.76, 2,841.19 and 1,351.65 is: 1,864.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,059.76 : 2,841.19 = 1,351.65 : x
  2. Step 2: Convert to fraction form
    2,059.76/2,841.19 = 1,351.65/x
  3. Step 3: Cross multiply
    2,059.76x = 2,841.19 × 1,351.65
  4. Step 4: Simplify right side
    2,059.76x = 3,840,294.46
  5. Step 5: Solve for x
    x = 3,840,294.46/2,059.76
  6. Step 6: Final answer
    x = 1,864.44

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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.