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Finding the Fourth Proportional to 22,306.50, 33,464.61 and 8,455.50

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Solution

The fourth proportional to 22,306.50, 33,464.61 and 8,455.50 is: 12,685.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,306.50 : 33,464.61 = 8,455.50 : x
  2. Step 2: Convert to fraction form
    22,306.50/33,464.61 = 8,455.50/x
  3. Step 3: Cross multiply
    22,306.50x = 33,464.61 × 8,455.50
  4. Step 4: Simplify right side
    22,306.50x = 282,960,009.86
  5. Step 5: Solve for x
    x = 282,960,009.86/22,306.50
  6. Step 6: Final answer
    x = 12,685.09

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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.