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Finding the Fourth Proportional to 2,901.70, 4,352.55 and 2,623.30

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Solution

The fourth proportional to 2,901.70, 4,352.55 and 2,623.30 is: 3,934.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,901.70 : 4,352.55 = 2,623.30 : x
  2. Step 2: Convert to fraction form
    2,901.70/4,352.55 = 2,623.30/x
  3. Step 3: Cross multiply
    2,901.70x = 4,352.55 × 2,623.30
  4. Step 4: Simplify right side
    2,901.70x = 11,418,044.42
  5. Step 5: Solve for x
    x = 11,418,044.42/2,901.70
  6. Step 6: Final answer
    x = 3,934.95

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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.