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Finding the Fourth Proportional to 10,013.72, 15,019 and 3,350.16

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Solution

The fourth proportional to 10,013.72, 15,019 and 3,350.16 is: 5,024.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,013.72 : 15,019 = 3,350.16 : x
  2. Step 2: Convert to fraction form
    10,013.72/15,019 = 3,350.16/x
  3. Step 3: Cross multiply
    10,013.72x = 15,019 × 3,350.16
  4. Step 4: Simplify right side
    10,013.72x = 50,316,053.04
  5. Step 5: Solve for x
    x = 50,316,053.04/10,013.72
  6. Step 6: Final answer
    x = 5,024.71

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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.