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Finding the Fourth Proportional to 22,472.01, 33,708.81 and 8,430.60

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Solution

The fourth proportional to 22,472.01, 33,708.81 and 8,430.60 is: 12,646.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,472.01 : 33,708.81 = 8,430.60 : x
  2. Step 2: Convert to fraction form
    22,472.01/33,708.81 = 8,430.60/x
  3. Step 3: Cross multiply
    22,472.01x = 33,708.81 × 8,430.60
  4. Step 4: Simplify right side
    22,472.01x = 284,185,493.59
  5. Step 5: Solve for x
    x = 284,185,493.59/22,472.01
  6. Step 6: Final answer
    x = 12,646.20

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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.