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Finding the Fourth Proportional to 22,589.91, 33,886.76 and 7,798.95

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Solution

The fourth proportional to 22,589.91, 33,886.76 and 7,798.95 is: 11,699.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,589.91 : 33,886.76 = 7,798.95 : x
  2. Step 2: Convert to fraction form
    22,589.91/33,886.76 = 7,798.95/x
  3. Step 3: Cross multiply
    22,589.91x = 33,886.76 × 7,798.95
  4. Step 4: Simplify right side
    22,589.91x = 264,281,107.91
  5. Step 5: Solve for x
    x = 264,281,107.91/22,589.91
  6. Step 6: Final answer
    x = 11,699.08

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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.