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Finding the Fourth Proportional to 1,356.07, 2,034.64 and 576.24

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Solution

The fourth proportional to 1,356.07, 2,034.64 and 576.24 is: 864.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,356.07 : 2,034.64 = 576.24 : x
  2. Step 2: Convert to fraction form
    1,356.07/2,034.64 = 576.24/x
  3. Step 3: Cross multiply
    1,356.07x = 2,034.64 × 576.24
  4. Step 4: Simplify right side
    1,356.07x = 1,172,440.95
  5. Step 5: Solve for x
    x = 1,172,440.95/1,356.07
  6. Step 6: Final answer
    x = 864.59

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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.