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Finding the Fourth Proportional to 2,610.19, 3,916.14 and 966.86

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Solution

The fourth proportional to 2,610.19, 3,916.14 and 966.86 is: 1,450.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,610.19 : 3,916.14 = 966.86 : x
  2. Step 2: Convert to fraction form
    2,610.19/3,916.14 = 966.86/x
  3. Step 3: Cross multiply
    2,610.19x = 3,916.14 × 966.86
  4. Step 4: Simplify right side
    2,610.19x = 3,786,334.71
  5. Step 5: Solve for x
    x = 3,786,334.71/2,610.19
  6. Step 6: Final answer
    x = 1,450.60

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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.