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Finding the Fourth Proportional to 1,744.65, 2,407.59 and 958.74

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Solution

The fourth proportional to 1,744.65, 2,407.59 and 958.74 is: 1,323.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,744.65 : 2,407.59 = 958.74 : x
  2. Step 2: Convert to fraction form
    1,744.65/2,407.59 = 958.74/x
  3. Step 3: Cross multiply
    1,744.65x = 2,407.59 × 958.74
  4. Step 4: Simplify right side
    1,744.65x = 2,308,252.84
  5. Step 5: Solve for x
    x = 2,308,252.84/1,744.65
  6. Step 6: Final answer
    x = 1,323.05

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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.