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Finding the Fourth Proportional to 5,201.93, 7,802.05 and 2,428.89

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Solution

The fourth proportional to 5,201.93, 7,802.05 and 2,428.89 is: 3,642.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,201.93 : 7,802.05 = 2,428.89 : x
  2. Step 2: Convert to fraction form
    5,201.93/7,802.05 = 2,428.89/x
  3. Step 3: Cross multiply
    5,201.93x = 7,802.05 × 2,428.89
  4. Step 4: Simplify right side
    5,201.93x = 18,950,321.22
  5. Step 5: Solve for x
    x = 18,950,321.22/5,201.93
  6. Step 6: Final answer
    x = 3,642.94

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1.5x scale

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.