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Finding the Fourth Proportional to 8,479.95, 11,690.04 and 5,954.37

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Solution

The fourth proportional to 8,479.95, 11,690.04 and 5,954.37 is: 8,208.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,479.95 : 11,690.04 = 5,954.37 : x
  2. Step 2: Convert to fraction form
    8,479.95/11,690.04 = 5,954.37/x
  3. Step 3: Cross multiply
    8,479.95x = 11,690.04 × 5,954.37
  4. Step 4: Simplify right side
    8,479.95x = 69,606,823.47
  5. Step 5: Solve for x
    x = 69,606,823.47/8,479.95
  6. Step 6: Final answer
    x = 8,208.40

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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.