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Finding the Fourth Proportional to 1,903.16, 2,626.04 and 1,063.71

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Solution

The fourth proportional to 1,903.16, 2,626.04 and 1,063.71 is: 1,467.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,903.16 : 2,626.04 = 1,063.71 : x
  2. Step 2: Convert to fraction form
    1,903.16/2,626.04 = 1,063.71/x
  3. Step 3: Cross multiply
    1,903.16x = 2,626.04 × 1,063.71
  4. Step 4: Simplify right side
    1,903.16x = 2,793,347.67
  5. Step 5: Solve for x
    x = 2,793,347.67/1,903.16
  6. Step 6: Final answer
    x = 1,467.74

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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.