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Finding the Fourth Proportional to 27,685.94, 41,535.68 and 7,964.37

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Solution

The fourth proportional to 27,685.94, 41,535.68 and 7,964.37 is: 11,948.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,685.94 : 41,535.68 = 7,964.37 : x
  2. Step 2: Convert to fraction form
    27,685.94/41,535.68 = 7,964.37/x
  3. Step 3: Cross multiply
    27,685.94x = 41,535.68 × 7,964.37
  4. Step 4: Simplify right side
    27,685.94x = 330,805,483.90
  5. Step 5: Solve for x
    x = 330,805,483.90/27,685.94
  6. Step 6: Final answer
    x = 11,948.50

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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.