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Finding the Fourth Proportional to 7,969.51, 11,952.24 and 3,037.69

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Solution

The fourth proportional to 7,969.51, 11,952.24 and 3,037.69 is: 4,555.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,969.51 : 11,952.24 = 3,037.69 : x
  2. Step 2: Convert to fraction form
    7,969.51/11,952.24 = 3,037.69/x
  3. Step 3: Cross multiply
    7,969.51x = 11,952.24 × 3,037.69
  4. Step 4: Simplify right side
    7,969.51x = 36,307,199.93
  5. Step 5: Solve for x
    x = 36,307,199.93/7,969.51
  6. Step 6: Final answer
    x = 4,555.76

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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.