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Finding the Fourth Proportional to 9,479.17, 14,201.73 and 5,581.45

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Solution

The fourth proportional to 9,479.17, 14,201.73 and 5,581.45 is: 8,362.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,479.17 : 14,201.73 = 5,581.45 : x
  2. Step 2: Convert to fraction form
    9,479.17/14,201.73 = 5,581.45/x
  3. Step 3: Cross multiply
    9,479.17x = 14,201.73 × 5,581.45
  4. Step 4: Simplify right side
    9,479.17x = 79,266,245.91
  5. Step 5: Solve for x
    x = 79,266,245.91/9,479.17
  6. Step 6: Final answer
    x = 8,362.15

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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.