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Finding the Fourth Proportional to 1,955.97, 2,929.51 and 1,373.58

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Solution

The fourth proportional to 1,955.97, 2,929.51 and 1,373.58 is: 2,057.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,955.97 : 2,929.51 = 1,373.58 : x
  2. Step 2: Convert to fraction form
    1,955.97/2,929.51 = 1,373.58/x
  3. Step 3: Cross multiply
    1,955.97x = 2,929.51 × 1,373.58
  4. Step 4: Simplify right side
    1,955.97x = 4,023,916.35
  5. Step 5: Solve for x
    x = 4,023,916.35/1,955.97
  6. Step 6: Final answer
    x = 2,057.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.