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Finding the Fourth Proportional to 39,615.59, 54,671.01 and 22,622.60

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Solution

The fourth proportional to 39,615.59, 54,671.01 and 22,622.60 is: 31,220.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,615.59 : 54,671.01 = 22,622.60 : x
  2. Step 2: Convert to fraction form
    39,615.59/54,671.01 = 22,622.60/x
  3. Step 3: Cross multiply
    39,615.59x = 54,671.01 × 22,622.60
  4. Step 4: Simplify right side
    39,615.59x = 1,236,800,390.83
  5. Step 5: Solve for x
    x = 1,236,800,390.83/39,615.59
  6. Step 6: Final answer
    x = 31,220.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.