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Finding the Fourth Proportional to 9,179.99, 13,759.95 and 4,797.89

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Solution

The fourth proportional to 9,179.99, 13,759.95 and 4,797.89 is: 7,191.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,179.99 : 13,759.95 = 4,797.89 : x
  2. Step 2: Convert to fraction form
    9,179.99/13,759.95 = 4,797.89/x
  3. Step 3: Cross multiply
    9,179.99x = 13,759.95 × 4,797.89
  4. Step 4: Simplify right side
    9,179.99x = 66,018,726.51
  5. Step 5: Solve for x
    x = 66,018,726.51/9,179.99
  6. Step 6: Final answer
    x = 7,191.59

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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.