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Finding the Fourth Proportional to 1,274.46, 1,758.48 and 833.01

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Solution

The fourth proportional to 1,274.46, 1,758.48 and 833.01 is: 1,149.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,274.46 : 1,758.48 = 833.01 : x
  2. Step 2: Convert to fraction form
    1,274.46/1,758.48 = 833.01/x
  3. Step 3: Cross multiply
    1,274.46x = 1,758.48 × 833.01
  4. Step 4: Simplify right side
    1,274.46x = 1,464,831.42
  5. Step 5: Solve for x
    x = 1,464,831.42/1,274.46
  6. Step 6: Final answer
    x = 1,149.37

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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.