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Finding the Fourth Proportional to 14,471.88, 19,968.66 and 8,884.68

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Solution

The fourth proportional to 14,471.88, 19,968.66 and 8,884.68 is: 12,259.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,471.88 : 19,968.66 = 8,884.68 : x
  2. Step 2: Convert to fraction form
    14,471.88/19,968.66 = 8,884.68/x
  3. Step 3: Cross multiply
    14,471.88x = 19,968.66 × 8,884.68
  4. Step 4: Simplify right side
    14,471.88x = 177,415,154.13
  5. Step 5: Solve for x
    x = 177,415,154.13/14,471.88
  6. Step 6: Final answer
    x = 12,259.30

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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.