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Finding the Fourth Proportional to 22,518.79, 33,773.02 and 8,480.30

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Solution

The fourth proportional to 22,518.79, 33,773.02 and 8,480.30 is: 12,718.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,518.79 : 33,773.02 = 8,480.30 : x
  2. Step 2: Convert to fraction form
    22,518.79/33,773.02 = 8,480.30/x
  3. Step 3: Cross multiply
    22,518.79x = 33,773.02 × 8,480.30
  4. Step 4: Simplify right side
    22,518.79x = 286,405,151.44
  5. Step 5: Solve for x
    x = 286,405,151.44/22,518.79
  6. Step 6: Final answer
    x = 12,718.50

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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.