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Finding the Fourth Proportional to 2,084.66, 3,127.53 and 623.81

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Solution

The fourth proportional to 2,084.66, 3,127.53 and 623.81 is: 935.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,084.66 : 3,127.53 = 623.81 : x
  2. Step 2: Convert to fraction form
    2,084.66/3,127.53 = 623.81/x
  3. Step 3: Cross multiply
    2,084.66x = 3,127.53 × 623.81
  4. Step 4: Simplify right side
    2,084.66x = 1,950,984.49
  5. Step 5: Solve for x
    x = 1,950,984.49/2,084.66
  6. Step 6: Final answer
    x = 935.88

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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.