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Finding the Fourth Proportional to 2,024.94, 3,038.15 and 855.24

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Solution

The fourth proportional to 2,024.94, 3,038.15 and 855.24 is: 1,283.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,024.94 : 3,038.15 = 855.24 : x
  2. Step 2: Convert to fraction form
    2,024.94/3,038.15 = 855.24/x
  3. Step 3: Cross multiply
    2,024.94x = 3,038.15 × 855.24
  4. Step 4: Simplify right side
    2,024.94x = 2,598,347.41
  5. Step 5: Solve for x
    x = 2,598,347.41/2,024.94
  6. Step 6: Final answer
    x = 1,283.17

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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.