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Finding the Fourth Proportional to 1,170.41, 1,744.76 and 1,082.93

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Solution

The fourth proportional to 1,170.41, 1,744.76 and 1,082.93 is: 1,614.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170.41 : 1,744.76 = 1,082.93 : x
  2. Step 2: Convert to fraction form
    1,170.41/1,744.76 = 1,082.93/x
  3. Step 3: Cross multiply
    1,170.41x = 1,744.76 × 1,082.93
  4. Step 4: Simplify right side
    1,170.41x = 1,889,438.81
  5. Step 5: Solve for x
    x = 1,889,438.81/1,170.41
  6. Step 6: Final answer
    x = 1,614.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.