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Finding the Fourth Proportional to 35,503.80, 53,255.70 and 22,414.20

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Solution

The fourth proportional to 35,503.80, 53,255.70 and 22,414.20 is: 33,621.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,503.80 : 53,255.70 = 22,414.20 : x
  2. Step 2: Convert to fraction form
    35,503.80/53,255.70 = 22,414.20/x
  3. Step 3: Cross multiply
    35,503.80x = 53,255.70 × 22,414.20
  4. Step 4: Simplify right side
    35,503.80x = 1,193,683,910.94
  5. Step 5: Solve for x
    x = 1,193,683,910.94/35,503.80
  6. Step 6: Final answer
    x = 33,621.30

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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.