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Finding the Fourth Proportional to 1,505.52, 2,253.87 and 1,141.74

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Solution

The fourth proportional to 1,505.52, 2,253.87 and 1,141.74 is: 1,709.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,505.52 : 2,253.87 = 1,141.74 : x
  2. Step 2: Convert to fraction form
    1,505.52/2,253.87 = 1,141.74/x
  3. Step 3: Cross multiply
    1,505.52x = 2,253.87 × 1,141.74
  4. Step 4: Simplify right side
    1,505.52x = 2,573,333.53
  5. Step 5: Solve for x
    x = 2,573,333.53/1,505.52
  6. Step 6: Final answer
    x = 1,709.27

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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.