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Finding the Fourth Proportional to 1,571.27, 2,356.00 and 530.73

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Solution

The fourth proportional to 1,571.27, 2,356.00 and 530.73 is: 795.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,571.27 : 2,356.00 = 530.73 : x
  2. Step 2: Convert to fraction form
    1,571.27/2,356.00 = 530.73/x
  3. Step 3: Cross multiply
    1,571.27x = 2,356.00 × 530.73
  4. Step 4: Simplify right side
    1,571.27x = 1,250,398.55
  5. Step 5: Solve for x
    x = 1,250,398.55/1,571.27
  6. Step 6: Final answer
    x = 795.79

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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.