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Finding the Fourth Proportional to 35,227.20, 52,840.80 and 31,310.40

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Solution

The fourth proportional to 35,227.20, 52,840.80 and 31,310.40 is: 46,965.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,227.20 : 52,840.80 = 31,310.40 : x
  2. Step 2: Convert to fraction form
    35,227.20/52,840.80 = 31,310.40/x
  3. Step 3: Cross multiply
    35,227.20x = 52,840.80 × 31,310.40
  4. Step 4: Simplify right side
    35,227.20x = 1,654,466,584.32
  5. Step 5: Solve for x
    x = 1,654,466,584.32/35,227.20
  6. Step 6: Final answer
    x = 46,965.60

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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.