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Finding the Fourth Proportional to 7,012.27, 9,657.24 and 6,859.18

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Solution

The fourth proportional to 7,012.27, 9,657.24 and 6,859.18 is: 9,446.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,012.27 : 9,657.24 = 6,859.18 : x
  2. Step 2: Convert to fraction form
    7,012.27/9,657.24 = 6,859.18/x
  3. Step 3: Cross multiply
    7,012.27x = 9,657.24 × 6,859.18
  4. Step 4: Simplify right side
    7,012.27x = 66,240,699.18
  5. Step 5: Solve for x
    x = 66,240,699.18/7,012.27
  6. Step 6: Final answer
    x = 9,446.41

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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.