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Finding the Fourth Proportional to 8,883.61, 13,323.15 and 2,642.22

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Solution

The fourth proportional to 8,883.61, 13,323.15 and 2,642.22 is: 3,962.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,883.61 : 13,323.15 = 2,642.22 : x
  2. Step 2: Convert to fraction form
    8,883.61/13,323.15 = 2,642.22/x
  3. Step 3: Cross multiply
    8,883.61x = 13,323.15 × 2,642.22
  4. Step 4: Simplify right side
    8,883.61x = 35,202,693.39
  5. Step 5: Solve for x
    x = 35,202,693.39/8,883.61
  6. Step 6: Final answer
    x = 3,962.66

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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.