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Finding the Fourth Proportional to 22,889.59, 34,347.66 and 12,359.59

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Solution

The fourth proportional to 22,889.59, 34,347.66 and 12,359.59 is: 18,546.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,889.59 : 34,347.66 = 12,359.59 : x
  2. Step 2: Convert to fraction form
    22,889.59/34,347.66 = 12,359.59/x
  3. Step 3: Cross multiply
    22,889.59x = 34,347.66 × 12,359.59
  4. Step 4: Simplify right side
    22,889.59x = 424,522,995.06
  5. Step 5: Solve for x
    x = 424,522,995.06/22,889.59
  6. Step 6: Final answer
    x = 18,546.55

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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.