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Finding the Fourth Proportional to 5,010.66, 7,515.09 and 1,500.57

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Solution

The fourth proportional to 5,010.66, 7,515.09 and 1,500.57 is: 2,250.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,010.66 : 7,515.09 = 1,500.57 : x
  2. Step 2: Convert to fraction form
    5,010.66/7,515.09 = 1,500.57/x
  3. Step 3: Cross multiply
    5,010.66x = 7,515.09 × 1,500.57
  4. Step 4: Simplify right side
    5,010.66x = 11,276,918.60
  5. Step 5: Solve for x
    x = 11,276,918.60/5,010.66
  6. Step 6: Final answer
    x = 2,250.59

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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.