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Finding the Fourth Proportional to 5,007, 7,510.52 and 1,359

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Solution

The fourth proportional to 5,007, 7,510.52 and 1,359 is: 2,038.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,007 : 7,510.52 = 1,359 : x
  2. Step 2: Convert to fraction form
    5,007/7,510.52 = 1,359/x
  3. Step 3: Cross multiply
    5,007x = 7,510.52 × 1,359
  4. Step 4: Simplify right side
    5,007x = 10,206,796.68
  5. Step 5: Solve for x
    x = 10,206,796.68/5,007
  6. Step 6: Final answer
    x = 2,038.51

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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.