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Finding the Fourth Proportional to 8,851.82, 13,278.65 and 3,008.88

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Solution

The fourth proportional to 8,851.82, 13,278.65 and 3,008.88 is: 4,513.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,851.82 : 13,278.65 = 3,008.88 : x
  2. Step 2: Convert to fraction form
    8,851.82/13,278.65 = 3,008.88/x
  3. Step 3: Cross multiply
    8,851.82x = 13,278.65 × 3,008.88
  4. Step 4: Simplify right side
    8,851.82x = 39,953,849.37
  5. Step 5: Solve for x
    x = 39,953,849.37/8,851.82
  6. Step 6: Final answer
    x = 4,513.63

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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.