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Finding the Fourth Proportional to 64,286.40, 88,714.24 and 35,993.12

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Solution

The fourth proportional to 64,286.40, 88,714.24 and 35,993.12 is: 49,669.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,286.40 : 88,714.24 = 35,993.12 : x
  2. Step 2: Convert to fraction form
    64,286.40/88,714.24 = 35,993.12/x
  3. Step 3: Cross multiply
    64,286.40x = 88,714.24 × 35,993.12
  4. Step 4: Simplify right side
    64,286.40x = 3,193,102,286.03
  5. Step 5: Solve for x
    x = 3,193,102,286.03/64,286.40
  6. Step 6: Final answer
    x = 49,669.95

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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.