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Finding the Fourth Proportional to 2,084.84, 3,127.02 and 524.84

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Solution

The fourth proportional to 2,084.84, 3,127.02 and 524.84 is: 787.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,084.84 : 3,127.02 = 524.84 : x
  2. Step 2: Convert to fraction form
    2,084.84/3,127.02 = 524.84/x
  3. Step 3: Cross multiply
    2,084.84x = 3,127.02 × 524.84
  4. Step 4: Simplify right side
    2,084.84x = 1,641,177.36
  5. Step 5: Solve for x
    x = 1,641,177.36/2,084.84
  6. Step 6: Final answer
    x = 787.20

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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.