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Finding the Fourth Proportional to 2,038.68, 3,057.17 and 632.93

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Solution

The fourth proportional to 2,038.68, 3,057.17 and 632.93 is: 949.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,038.68 : 3,057.17 = 632.93 : x
  2. Step 2: Convert to fraction form
    2,038.68/3,057.17 = 632.93/x
  3. Step 3: Cross multiply
    2,038.68x = 3,057.17 × 632.93
  4. Step 4: Simplify right side
    2,038.68x = 1,934,956.16
  5. Step 5: Solve for x
    x = 1,934,956.16/2,038.68
  6. Step 6: Final answer
    x = 949.12

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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.