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Finding the Fourth Proportional to 1,701.71, 2,348.32 and 994

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Solution

The fourth proportional to 1,701.71, 2,348.32 and 994 is: 1,371.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,701.71 : 2,348.32 = 994 : x
  2. Step 2: Convert to fraction form
    1,701.71/2,348.32 = 994/x
  3. Step 3: Cross multiply
    1,701.71x = 2,348.32 × 994
  4. Step 4: Simplify right side
    1,701.71x = 2,334,225.11
  5. Step 5: Solve for x
    x = 2,334,225.11/1,701.71
  6. Step 6: Final answer
    x = 1,371.70

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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.