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Finding the Fourth Proportional to 1,744.50, 2,407.41 and 958.53

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Solution

The fourth proportional to 1,744.50, 2,407.41 and 958.53 is: 1,322.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,744.50 : 2,407.41 = 958.53 : x
  2. Step 2: Convert to fraction form
    1,744.50/2,407.41 = 958.53/x
  3. Step 3: Cross multiply
    1,744.50x = 2,407.41 × 958.53
  4. Step 4: Simplify right side
    1,744.50x = 2,307,574.71
  5. Step 5: Solve for x
    x = 2,307,574.71/1,744.50
  6. Step 6: Final answer
    x = 1,322.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.