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Finding the Fourth Proportional to 2,059.65, 2,841.65 and 1,175.49

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Solution

The fourth proportional to 2,059.65, 2,841.65 and 1,175.49 is: 1,621.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,059.65 : 2,841.65 = 1,175.49 : x
  2. Step 2: Convert to fraction form
    2,059.65/2,841.65 = 1,175.49/x
  3. Step 3: Cross multiply
    2,059.65x = 2,841.65 × 1,175.49
  4. Step 4: Simplify right side
    2,059.65x = 3,340,319.89
  5. Step 5: Solve for x
    x = 3,340,319.89/2,059.65
  6. Step 6: Final answer
    x = 1,621.79

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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.