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Finding the Fourth Proportional to 22,290.96, 33,453.48 and 8,264.28

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Solution

The fourth proportional to 22,290.96, 33,453.48 and 8,264.28 is: 12,402.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,290.96 : 33,453.48 = 8,264.28 : x
  2. Step 2: Convert to fraction form
    22,290.96/33,453.48 = 8,264.28/x
  3. Step 3: Cross multiply
    22,290.96x = 33,453.48 × 8,264.28
  4. Step 4: Simplify right side
    22,290.96x = 276,468,925.69
  5. Step 5: Solve for x
    x = 276,468,925.69/22,290.96
  6. Step 6: Final answer
    x = 12,402.74

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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.