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Finding the Fourth Proportional to 1,497.12, 2,066 and 834

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Solution

The fourth proportional to 1,497.12, 2,066 and 834 is: 1,150.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,497.12 : 2,066 = 834 : x
  2. Step 2: Convert to fraction form
    1,497.12/2,066 = 834/x
  3. Step 3: Cross multiply
    1,497.12x = 2,066 × 834
  4. Step 4: Simplify right side
    1,497.12x = 1,723,044
  5. Step 5: Solve for x
    x = 1,723,044/1,497.12
  6. Step 6: Final answer
    x = 1,150.91

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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.