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Finding the Fourth Proportional to 1,182.74, 1,774.96 and 533.56

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Solution

The fourth proportional to 1,182.74, 1,774.96 and 533.56 is: 800.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,182.74 : 1,774.96 = 533.56 : x
  2. Step 2: Convert to fraction form
    1,182.74/1,774.96 = 533.56/x
  3. Step 3: Cross multiply
    1,182.74x = 1,774.96 × 533.56
  4. Step 4: Simplify right side
    1,182.74x = 947,047.66
  5. Step 5: Solve for x
    x = 947,047.66/1,182.74
  6. Step 6: Final answer
    x = 800.72

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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.