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Finding the Fourth Proportional to 2,999.57, 4,501.17 and 1,899.99

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Solution

The fourth proportional to 2,999.57, 4,501.17 and 1,899.99 is: 2,851.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,999.57 : 4,501.17 = 1,899.99 : x
  2. Step 2: Convert to fraction form
    2,999.57/4,501.17 = 1,899.99/x
  3. Step 3: Cross multiply
    2,999.57x = 4,501.17 × 1,899.99
  4. Step 4: Simplify right side
    2,999.57x = 8,552,177.99
  5. Step 5: Solve for x
    x = 8,552,177.99/2,999.57
  6. Step 6: Final answer
    x = 2,851.14

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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.