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Finding the Fourth Proportional to 22,890.74, 34,314.98 and 8,846.55

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Solution

The fourth proportional to 22,890.74, 34,314.98 and 8,846.55 is: 13,261.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,890.74 : 34,314.98 = 8,846.55 : x
  2. Step 2: Convert to fraction form
    22,890.74/34,314.98 = 8,846.55/x
  3. Step 3: Cross multiply
    22,890.74x = 34,314.98 × 8,846.55
  4. Step 4: Simplify right side
    22,890.74x = 303,569,142.09
  5. Step 5: Solve for x
    x = 303,569,142.09/22,890.74
  6. Step 6: Final answer
    x = 13,261.66

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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.