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Finding the Fourth Proportional to 7,955.04, 11,930.76 and 3,022.92

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Solution

The fourth proportional to 7,955.04, 11,930.76 and 3,022.92 is: 4,533.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,955.04 : 11,930.76 = 3,022.92 : x
  2. Step 2: Convert to fraction form
    7,955.04/11,930.76 = 3,022.92/x
  3. Step 3: Cross multiply
    7,955.04x = 11,930.76 × 3,022.92
  4. Step 4: Simplify right side
    7,955.04x = 36,065,733.02
  5. Step 5: Solve for x
    x = 36,065,733.02/7,955.04
  6. Step 6: Final answer
    x = 4,533.70

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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.