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Finding the Fourth Proportional to 8,995.74, 13,492.64 and 2,422.60

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Solution

The fourth proportional to 8,995.74, 13,492.64 and 2,422.60 is: 3,633.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,995.74 : 13,492.64 = 2,422.60 : x
  2. Step 2: Convert to fraction form
    8,995.74/13,492.64 = 2,422.60/x
  3. Step 3: Cross multiply
    8,995.74x = 13,492.64 × 2,422.60
  4. Step 4: Simplify right side
    8,995.74x = 32,687,269.66
  5. Step 5: Solve for x
    x = 32,687,269.66/8,995.74
  6. Step 6: Final answer
    x = 3,633.64

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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.