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Finding the Fourth Proportional to 7,969.59, 11,955.75 and 2,423.49

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Solution

The fourth proportional to 7,969.59, 11,955.75 and 2,423.49 is: 3,635.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,969.59 : 11,955.75 = 2,423.49 : x
  2. Step 2: Convert to fraction form
    7,969.59/11,955.75 = 2,423.49/x
  3. Step 3: Cross multiply
    7,969.59x = 11,955.75 × 2,423.49
  4. Step 4: Simplify right side
    7,969.59x = 28,974,640.57
  5. Step 5: Solve for x
    x = 28,974,640.57/7,969.59
  6. Step 6: Final answer
    x = 3,635.65

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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.