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Finding the Fourth Proportional to 1,645.24, 2,465.61 and 951.46

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Solution

The fourth proportional to 1,645.24, 2,465.61 and 951.46 is: 1,425.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,645.24 : 2,465.61 = 951.46 : x
  2. Step 2: Convert to fraction form
    1,645.24/2,465.61 = 951.46/x
  3. Step 3: Cross multiply
    1,645.24x = 2,465.61 × 951.46
  4. Step 4: Simplify right side
    1,645.24x = 2,345,929.29
  5. Step 5: Solve for x
    x = 2,345,929.29/1,645.24
  6. Step 6: Final answer
    x = 1,425.89

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