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Finding the Fourth Proportional to 3,339.52, 5,007.44 and 1,030.72

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Solution

The fourth proportional to 3,339.52, 5,007.44 and 1,030.72 is: 1,545.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,339.52 : 5,007.44 = 1,030.72 : x
  2. Step 2: Convert to fraction form
    3,339.52/5,007.44 = 1,030.72/x
  3. Step 3: Cross multiply
    3,339.52x = 5,007.44 × 1,030.72
  4. Step 4: Simplify right side
    3,339.52x = 5,161,268.56
  5. Step 5: Solve for x
    x = 5,161,268.56/3,339.52
  6. Step 6: Final answer
    x = 1,545.51

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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.