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Finding the Fourth Proportional to 3,010.75, 4,516.17 and 958.75

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Solution

The fourth proportional to 3,010.75, 4,516.17 and 958.75 is: 1,438.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,010.75 : 4,516.17 = 958.75 : x
  2. Step 2: Convert to fraction form
    3,010.75/4,516.17 = 958.75/x
  3. Step 3: Cross multiply
    3,010.75x = 4,516.17 × 958.75
  4. Step 4: Simplify right side
    3,010.75x = 4,329,877.99
  5. Step 5: Solve for x
    x = 4,329,877.99/3,010.75
  6. Step 6: Final answer
    x = 1,438.14

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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.