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Finding the Fourth Proportional to 1,508.06, 2,263.10 and 907.48

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Solution

The fourth proportional to 1,508.06, 2,263.10 and 907.48 is: 1,361.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,508.06 : 2,263.10 = 907.48 : x
  2. Step 2: Convert to fraction form
    1,508.06/2,263.10 = 907.48/x
  3. Step 3: Cross multiply
    1,508.06x = 2,263.10 × 907.48
  4. Step 4: Simplify right side
    1,508.06x = 2,053,717.99
  5. Step 5: Solve for x
    x = 2,053,717.99/1,508.06
  6. Step 6: Final answer
    x = 1,361.83

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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.