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Finding the Fourth Proportional to 7,297.30, 10,070.30 and 4,110.65

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Solution

The fourth proportional to 7,297.30, 10,070.30 and 4,110.65 is: 5,672.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,297.30 : 10,070.30 = 4,110.65 : x
  2. Step 2: Convert to fraction form
    7,297.30/10,070.30 = 4,110.65/x
  3. Step 3: Cross multiply
    7,297.30x = 10,070.30 × 4,110.65
  4. Step 4: Simplify right side
    7,297.30x = 41,395,478.70
  5. Step 5: Solve for x
    x = 41,395,478.70/7,297.30
  6. Step 6: Final answer
    x = 5,672.71

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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.