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Finding the Fourth Proportional to 7,368.50, 11,037.97 and 3,659.51

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Solution

The fourth proportional to 7,368.50, 11,037.97 and 3,659.51 is: 5,481.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,368.50 : 11,037.97 = 3,659.51 : x
  2. Step 2: Convert to fraction form
    7,368.50/11,037.97 = 3,659.51/x
  3. Step 3: Cross multiply
    7,368.50x = 11,037.97 × 3,659.51
  4. Step 4: Simplify right side
    7,368.50x = 40,393,561.59
  5. Step 5: Solve for x
    x = 40,393,561.59/7,368.50
  6. Step 6: Final answer
    x = 5,481.92

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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.