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Finding the Fourth Proportional to 36,734.40, 55,101.60 and 21,935.70

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Solution

The fourth proportional to 36,734.40, 55,101.60 and 21,935.70 is: 32,903.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,734.40 : 55,101.60 = 21,935.70 : x
  2. Step 2: Convert to fraction form
    36,734.40/55,101.60 = 21,935.70/x
  3. Step 3: Cross multiply
    36,734.40x = 55,101.60 × 21,935.70
  4. Step 4: Simplify right side
    36,734.40x = 1,208,692,167.12
  5. Step 5: Solve for x
    x = 1,208,692,167.12/36,734.40
  6. Step 6: Final answer
    x = 32,903.55

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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.