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Finding the Fourth Proportional to 10,009.88, 15,009.71 and 3,343.98

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Solution

The fourth proportional to 10,009.88, 15,009.71 and 3,343.98 is: 5,014.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,009.88 : 15,009.71 = 3,343.98 : x
  2. Step 2: Convert to fraction form
    10,009.88/15,009.71 = 3,343.98/x
  3. Step 3: Cross multiply
    10,009.88x = 15,009.71 × 3,343.98
  4. Step 4: Simplify right side
    10,009.88x = 50,192,170.05
  5. Step 5: Solve for x
    x = 50,192,170.05/10,009.88
  6. Step 6: Final answer
    x = 5,014.26

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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.