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Finding the Fourth Proportional to 7,013.03, 10,509.53 and 5,149.53

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Solution

The fourth proportional to 7,013.03, 10,509.53 and 5,149.53 is: 7,716.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,013.03 : 10,509.53 = 5,149.53 : x
  2. Step 2: Convert to fraction form
    7,013.03/10,509.53 = 5,149.53/x
  3. Step 3: Cross multiply
    7,013.03x = 10,509.53 × 5,149.53
  4. Step 4: Simplify right side
    7,013.03x = 54,119,114.27
  5. Step 5: Solve for x
    x = 54,119,114.27/7,013.03
  6. Step 6: Final answer
    x = 7,716.93

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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.