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Finding the Fourth Proportional to 10,009.87, 15,009.71 and 3,343.97

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Solution

The fourth proportional to 10,009.87, 15,009.71 and 3,343.97 is: 5,014.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,009.87 : 15,009.71 = 3,343.97 : x
  2. Step 2: Convert to fraction form
    10,009.87/15,009.71 = 3,343.97/x
  3. Step 3: Cross multiply
    10,009.87x = 15,009.71 × 3,343.97
  4. Step 4: Simplify right side
    10,009.87x = 50,192,019.95
  5. Step 5: Solve for x
    x = 50,192,019.95/10,009.87
  6. Step 6: Final answer
    x = 5,014.25

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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.