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Finding the Fourth Proportional to 8,394.99, 11,579.19 and 7,273.94

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Solution

The fourth proportional to 8,394.99, 11,579.19 and 7,273.94 is: 10,032.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,394.99 : 11,579.19 = 7,273.94 : x
  2. Step 2: Convert to fraction form
    8,394.99/11,579.19 = 7,273.94/x
  3. Step 3: Cross multiply
    8,394.99x = 11,579.19 × 7,273.94
  4. Step 4: Simplify right side
    8,394.99x = 84,226,275.41
  5. Step 5: Solve for x
    x = 84,226,275.41/8,394.99
  6. Step 6: Final answer
    x = 10,032.92

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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.