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Finding the Fourth Proportional to 5,299.59, 7,941.10 and 2,010.90

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Solution

The fourth proportional to 5,299.59, 7,941.10 and 2,010.90 is: 3,013.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,299.59 : 7,941.10 = 2,010.90 : x
  2. Step 2: Convert to fraction form
    5,299.59/7,941.10 = 2,010.90/x
  3. Step 3: Cross multiply
    5,299.59x = 7,941.10 × 2,010.90
  4. Step 4: Simplify right side
    5,299.59x = 15,968,713.26
  5. Step 5: Solve for x
    x = 15,968,713.26/5,299.59
  6. Step 6: Final answer
    x = 3,013.20

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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.