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Finding the Fourth Proportional to 5,016.93, 6,921.95 and 3,000.10

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Solution

The fourth proportional to 5,016.93, 6,921.95 and 3,000.10 is: 4,139.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,016.93 : 6,921.95 = 3,000.10 : x
  2. Step 2: Convert to fraction form
    5,016.93/6,921.95 = 3,000.10/x
  3. Step 3: Cross multiply
    5,016.93x = 6,921.95 × 3,000.10
  4. Step 4: Simplify right side
    5,016.93x = 20,766,507.59
  5. Step 5: Solve for x
    x = 20,766,507.59/5,016.93
  6. Step 6: Final answer
    x = 4,139.29

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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.