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Finding the Fourth Proportional to 5,013.37, 6,918.37 and 2,775.20

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Solution

The fourth proportional to 5,013.37, 6,918.37 and 2,775.20 is: 3,829.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,013.37 : 6,918.37 = 2,775.20 : x
  2. Step 2: Convert to fraction form
    5,013.37/6,918.37 = 2,775.20/x
  3. Step 3: Cross multiply
    5,013.37x = 6,918.37 × 2,775.20
  4. Step 4: Simplify right side
    5,013.37x = 19,199,829.25
  5. Step 5: Solve for x
    x = 19,199,829.25/5,013.37
  6. Step 6: Final answer
    x = 3,829.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.