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Finding the Fourth Proportional to 64,372.34, 88,832.49 and 35,300.30

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Solution

The fourth proportional to 64,372.34, 88,832.49 and 35,300.30 is: 48,713.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,372.34 : 88,832.49 = 35,300.30 : x
  2. Step 2: Convert to fraction form
    64,372.34/88,832.49 = 35,300.30/x
  3. Step 3: Cross multiply
    64,372.34x = 88,832.49 × 35,300.30
  4. Step 4: Simplify right side
    64,372.34x = 3,135,813,546.75
  5. Step 5: Solve for x
    x = 3,135,813,546.75/64,372.34
  6. Step 6: Final answer
    x = 48,713.68

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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.