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Finding the Fourth Proportional to 1,713.51, 2,364.78 and 967.71

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Solution

The fourth proportional to 1,713.51, 2,364.78 and 967.71 is: 1,335.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,713.51 : 2,364.78 = 967.71 : x
  2. Step 2: Convert to fraction form
    1,713.51/2,364.78 = 967.71/x
  3. Step 3: Cross multiply
    1,713.51x = 2,364.78 × 967.71
  4. Step 4: Simplify right side
    1,713.51x = 2,288,421.25
  5. Step 5: Solve for x
    x = 2,288,421.25/1,713.51
  6. Step 6: Final answer
    x = 1,335.52

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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.