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Finding the Fourth Proportional to 22,012.60, 33,009.30 and 8,860.60

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Solution

The fourth proportional to 22,012.60, 33,009.30 and 8,860.60 is: 13,287.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,012.60 : 33,009.30 = 8,860.60 : x
  2. Step 2: Convert to fraction form
    22,012.60/33,009.30 = 8,860.60/x
  3. Step 3: Cross multiply
    22,012.60x = 33,009.30 × 8,860.60
  4. Step 4: Simplify right side
    22,012.60x = 292,482,203.58
  5. Step 5: Solve for x
    x = 292,482,203.58/22,012.60
  6. Step 6: Final answer
    x = 13,287.04

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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.