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Finding the Fourth Proportional to 40,093.20, 60,101.40 and 31,203.60

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Solution

The fourth proportional to 40,093.20, 60,101.40 and 31,203.60 is: 46,775.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,093.20 : 60,101.40 = 31,203.60 : x
  2. Step 2: Convert to fraction form
    40,093.20/60,101.40 = 31,203.60/x
  3. Step 3: Cross multiply
    40,093.20x = 60,101.40 × 31,203.60
  4. Step 4: Simplify right side
    40,093.20x = 1,875,380,045.04
  5. Step 5: Solve for x
    x = 1,875,380,045.04/40,093.20
  6. Step 6: Final answer
    x = 46,775.51

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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.