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Finding the Fourth Proportional to 6,718.84, 10,132.01 and 6,626.50

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Solution

The fourth proportional to 6,718.84, 10,132.01 and 6,626.50 is: 9,992.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,718.84 : 10,132.01 = 6,626.50 : x
  2. Step 2: Convert to fraction form
    6,718.84/10,132.01 = 6,626.50/x
  3. Step 3: Cross multiply
    6,718.84x = 10,132.01 × 6,626.50
  4. Step 4: Simplify right side
    6,718.84x = 67,139,764.27
  5. Step 5: Solve for x
    x = 67,139,764.27/6,718.84
  6. Step 6: Final answer
    x = 9,992.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.