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Finding the Fourth Proportional to 22,891.66, 34,347.35 and 12,359.59

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Solution

The fourth proportional to 22,891.66, 34,347.35 and 12,359.59 is: 18,544.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,891.66 : 34,347.35 = 12,359.59 : x
  2. Step 2: Convert to fraction form
    22,891.66/34,347.35 = 12,359.59/x
  3. Step 3: Cross multiply
    22,891.66x = 34,347.35 × 12,359.59
  4. Step 4: Simplify right side
    22,891.66x = 424,518,991.85
  5. Step 5: Solve for x
    x = 424,518,991.85/22,891.66
  6. Step 6: Final answer
    x = 18,544.71

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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.