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Finding the Fourth Proportional to 8,809.13, 13,212.28 and 2,567.68

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Solution

The fourth proportional to 8,809.13, 13,212.28 and 2,567.68 is: 3,851.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,809.13 : 13,212.28 = 2,567.68 : x
  2. Step 2: Convert to fraction form
    8,809.13/13,212.28 = 2,567.68/x
  3. Step 3: Cross multiply
    8,809.13x = 13,212.28 × 2,567.68
  4. Step 4: Simplify right side
    8,809.13x = 33,924,907.11
  5. Step 5: Solve for x
    x = 33,924,907.11/8,809.13
  6. Step 6: Final answer
    x = 3,851.11

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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.