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Finding the Fourth Proportional to 8,494.60, 11,722.16 and 4,718.01

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Solution

The fourth proportional to 8,494.60, 11,722.16 and 4,718.01 is: 6,510.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,494.60 : 11,722.16 = 4,718.01 : x
  2. Step 2: Convert to fraction form
    8,494.60/11,722.16 = 4,718.01/x
  3. Step 3: Cross multiply
    8,494.60x = 11,722.16 × 4,718.01
  4. Step 4: Simplify right side
    8,494.60x = 55,305,197.70
  5. Step 5: Solve for x
    x = 55,305,197.70/8,494.60
  6. Step 6: Final answer
    x = 6,510.63

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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.