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Finding the Fourth Proportional to 7,013.78, 10,507.13 and 5,525.13

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Solution

The fourth proportional to 7,013.78, 10,507.13 and 5,525.13 is: 8,277.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,013.78 : 10,507.13 = 5,525.13 : x
  2. Step 2: Convert to fraction form
    7,013.78/10,507.13 = 5,525.13/x
  3. Step 3: Cross multiply
    7,013.78x = 10,507.13 × 5,525.13
  4. Step 4: Simplify right side
    7,013.78x = 58,053,259.18
  5. Step 5: Solve for x
    x = 58,053,259.18/7,013.78
  6. Step 6: Final answer
    x = 8,277.03

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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.