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Finding the Fourth Proportional to 25,294.92, 34,908.96 and 18,611.22

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Solution

The fourth proportional to 25,294.92, 34,908.96 and 18,611.22 is: 25,684.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,294.92 : 34,908.96 = 18,611.22 : x
  2. Step 2: Convert to fraction form
    25,294.92/34,908.96 = 18,611.22/x
  3. Step 3: Cross multiply
    25,294.92x = 34,908.96 × 18,611.22
  4. Step 4: Simplify right side
    25,294.92x = 649,698,334.53
  5. Step 5: Solve for x
    x = 649,698,334.53/25,294.92
  6. Step 6: Final answer
    x = 25,684.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.