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Finding the Fourth Proportional to 3,712.52, 5,568.76 and 976.52

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Solution

The fourth proportional to 3,712.52, 5,568.76 and 976.52 is: 1,464.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,712.52 : 5,568.76 = 976.52 : x
  2. Step 2: Convert to fraction form
    3,712.52/5,568.76 = 976.52/x
  3. Step 3: Cross multiply
    3,712.52x = 5,568.76 × 976.52
  4. Step 4: Simplify right side
    3,712.52x = 5,438,005.52
  5. Step 5: Solve for x
    x = 5,438,005.52/3,712.52
  6. Step 6: Final answer
    x = 1,464.77

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1.5x scale

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.