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Finding the Fourth Proportional to 22,856.76, 34,287.84 and 8,813.52

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Solution

The fourth proportional to 22,856.76, 34,287.84 and 8,813.52 is: 13,221.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,856.76 : 34,287.84 = 8,813.52 : x
  2. Step 2: Convert to fraction form
    22,856.76/34,287.84 = 8,813.52/x
  3. Step 3: Cross multiply
    22,856.76x = 34,287.84 × 8,813.52
  4. Step 4: Simplify right side
    22,856.76x = 302,196,563.60
  5. Step 5: Solve for x
    x = 302,196,563.60/22,856.76
  6. Step 6: Final answer
    x = 13,221.32

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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.