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Finding the Fourth Proportional to 22,986.90, 34,480.35 and 8,196.30

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Solution

The fourth proportional to 22,986.90, 34,480.35 and 8,196.30 is: 12,294.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,986.90 : 34,480.35 = 8,196.30 : x
  2. Step 2: Convert to fraction form
    22,986.90/34,480.35 = 8,196.30/x
  3. Step 3: Cross multiply
    22,986.90x = 34,480.35 × 8,196.30
  4. Step 4: Simplify right side
    22,986.90x = 282,611,292.71
  5. Step 5: Solve for x
    x = 282,611,292.71/22,986.90
  6. Step 6: Final answer
    x = 12,294.45

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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.