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Finding the Fourth Proportional to 7,230.74, 10,843.92 and 3,070.71

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Solution

The fourth proportional to 7,230.74, 10,843.92 and 3,070.71 is: 4,605.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,230.74 : 10,843.92 = 3,070.71 : x
  2. Step 2: Convert to fraction form
    7,230.74/10,843.92 = 3,070.71/x
  3. Step 3: Cross multiply
    7,230.74x = 10,843.92 × 3,070.71
  4. Step 4: Simplify right side
    7,230.74x = 33,298,533.58
  5. Step 5: Solve for x
    x = 33,298,533.58/7,230.74
  6. Step 6: Final answer
    x = 4,605.14

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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.