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Finding the Fourth Proportional to 13,346.01, 20,008.22 and 5,560.65

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Solution

The fourth proportional to 13,346.01, 20,008.22 and 5,560.65 is: 8,336.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,346.01 : 20,008.22 = 5,560.65 : x
  2. Step 2: Convert to fraction form
    13,346.01/20,008.22 = 5,560.65/x
  3. Step 3: Cross multiply
    13,346.01x = 20,008.22 × 5,560.65
  4. Step 4: Simplify right side
    13,346.01x = 111,258,680.74
  5. Step 5: Solve for x
    x = 111,258,680.74/13,346.01
  6. Step 6: Final answer
    x = 8,336.48

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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.