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Finding the Fourth Proportional to 1,497.95, 2,066.68 and 908.27

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Solution

The fourth proportional to 1,497.95, 2,066.68 and 908.27 is: 1,253.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,497.95 : 2,066.68 = 908.27 : x
  2. Step 2: Convert to fraction form
    1,497.95/2,066.68 = 908.27/x
  3. Step 3: Cross multiply
    1,497.95x = 2,066.68 × 908.27
  4. Step 4: Simplify right side
    1,497.95x = 1,877,103.44
  5. Step 5: Solve for x
    x = 1,877,103.44/1,497.95
  6. Step 6: Final answer
    x = 1,253.11

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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.