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Finding the Fourth Proportional to 2,031.77, 3,047.66 and 732.93

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Solution

The fourth proportional to 2,031.77, 3,047.66 and 732.93 is: 1,099.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,031.77 : 3,047.66 = 732.93 : x
  2. Step 2: Convert to fraction form
    2,031.77/3,047.66 = 732.93/x
  3. Step 3: Cross multiply
    2,031.77x = 3,047.66 × 732.93
  4. Step 4: Simplify right side
    2,031.77x = 2,233,717.78
  5. Step 5: Solve for x
    x = 2,233,717.78/2,031.77
  6. Step 6: Final answer
    x = 1,099.40

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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.