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Finding the Fourth Proportional to 64,408.64, 88,883.92 and 36,114.32

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Solution

The fourth proportional to 64,408.64, 88,883.92 and 36,114.32 is: 49,837.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,408.64 : 88,883.92 = 36,114.32 : x
  2. Step 2: Convert to fraction form
    64,408.64/88,883.92 = 36,114.32/x
  3. Step 3: Cross multiply
    64,408.64x = 88,883.92 × 36,114.32
  4. Step 4: Simplify right side
    64,408.64x = 3,209,982,329.73
  5. Step 5: Solve for x
    x = 3,209,982,329.73/64,408.64
  6. Step 6: Final answer
    x = 49,837.76

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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.