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Finding the Fourth Proportional to 7,449.87, 10,276.97 and 5,059.97

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Solution

The fourth proportional to 7,449.87, 10,276.97 and 5,059.97 is: 6,980.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,449.87 : 10,276.97 = 5,059.97 : x
  2. Step 2: Convert to fraction form
    7,449.87/10,276.97 = 5,059.97/x
  3. Step 3: Cross multiply
    7,449.87x = 10,276.97 × 5,059.97
  4. Step 4: Simplify right side
    7,449.87x = 52,001,083.21
  5. Step 5: Solve for x
    x = 52,001,083.21/7,449.87
  6. Step 6: Final answer
    x = 6,980.13

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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.