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Finding the Fourth Proportional to 2,007.07, 3,010.14 and 545.93

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Solution

The fourth proportional to 2,007.07, 3,010.14 and 545.93 is: 818.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,007.07 : 3,010.14 = 545.93 : x
  2. Step 2: Convert to fraction form
    2,007.07/3,010.14 = 545.93/x
  3. Step 3: Cross multiply
    2,007.07x = 3,010.14 × 545.93
  4. Step 4: Simplify right side
    2,007.07x = 1,643,325.73
  5. Step 5: Solve for x
    x = 1,643,325.73/2,007.07
  6. Step 6: Final answer
    x = 818.77

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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.