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Finding the Fourth Proportional to 7,227.99, 9,959.06 and 4,866.03

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Solution

The fourth proportional to 7,227.99, 9,959.06 and 4,866.03 is: 6,704.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,227.99 : 9,959.06 = 4,866.03 : x
  2. Step 2: Convert to fraction form
    7,227.99/9,959.06 = 4,866.03/x
  3. Step 3: Cross multiply
    7,227.99x = 9,959.06 × 4,866.03
  4. Step 4: Simplify right side
    7,227.99x = 48,461,084.73
  5. Step 5: Solve for x
    x = 48,461,084.73/7,227.99
  6. Step 6: Final answer
    x = 6,704.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.