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Finding the Fourth Proportional to 7,951.66, 11,903.79 and 4,822.24

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Solution

The fourth proportional to 7,951.66, 11,903.79 and 4,822.24 is: 7,218.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,951.66 : 11,903.79 = 4,822.24 : x
  2. Step 2: Convert to fraction form
    7,951.66/11,903.79 = 4,822.24/x
  3. Step 3: Cross multiply
    7,951.66x = 11,903.79 × 4,822.24
  4. Step 4: Simplify right side
    7,951.66x = 57,402,932.29
  5. Step 5: Solve for x
    x = 57,402,932.29/7,951.66
  6. Step 6: Final answer
    x = 7,218.99

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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.