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Finding the Fourth Proportional to 7,357.70, 11,049.35 and 3,901.70

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Solution

The fourth proportional to 7,357.70, 11,049.35 and 3,901.70 is: 5,859.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,357.70 : 11,049.35 = 3,901.70 : x
  2. Step 2: Convert to fraction form
    7,357.70/11,049.35 = 3,901.70/x
  3. Step 3: Cross multiply
    7,357.70x = 11,049.35 × 3,901.70
  4. Step 4: Simplify right side
    7,357.70x = 43,111,248.90
  5. Step 5: Solve for x
    x = 43,111,248.90/7,357.70
  6. Step 6: Final answer
    x = 5,859.34

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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.