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Finding the Fourth Proportional to 6,626.71, 9,927.56 and 6,240.65

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Solution

The fourth proportional to 6,626.71, 9,927.56 and 6,240.65 is: 9,349.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,626.71 : 9,927.56 = 6,240.65 : x
  2. Step 2: Convert to fraction form
    6,626.71/9,927.56 = 6,240.65/x
  3. Step 3: Cross multiply
    6,626.71x = 9,927.56 × 6,240.65
  4. Step 4: Simplify right side
    6,626.71x = 61,954,393.28
  5. Step 5: Solve for x
    x = 61,954,393.28/6,626.71
  6. Step 6: Final answer
    x = 9,349.19

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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.