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Finding the Fourth Proportional to 7,955.17, 11,932.97 and 4,443.22

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Solution

The fourth proportional to 7,955.17, 11,932.97 and 4,443.22 is: 6,664.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,955.17 : 11,932.97 = 4,443.22 : x
  2. Step 2: Convert to fraction form
    7,955.17/11,932.97 = 4,443.22/x
  3. Step 3: Cross multiply
    7,955.17x = 11,932.97 × 4,443.22
  4. Step 4: Simplify right side
    7,955.17x = 53,020,810.96
  5. Step 5: Solve for x
    x = 53,020,810.96/7,955.17
  6. Step 6: Final answer
    x = 6,664.95

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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.