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Finding the Fourth Proportional to 3,342.92, 5,011.11 and 1,151.06

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Solution

The fourth proportional to 3,342.92, 5,011.11 and 1,151.06 is: 1,725.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,342.92 : 5,011.11 = 1,151.06 : x
  2. Step 2: Convert to fraction form
    3,342.92/5,011.11 = 1,151.06/x
  3. Step 3: Cross multiply
    3,342.92x = 5,011.11 × 1,151.06
  4. Step 4: Simplify right side
    3,342.92x = 5,768,063.22
  5. Step 5: Solve for x
    x = 5,768,063.22/3,342.92
  6. Step 6: Final answer
    x = 1,725.46

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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.