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Finding the Fourth Proportional to 64,234.59, 96,248.21 and 39,558.75

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Solution

The fourth proportional to 64,234.59, 96,248.21 and 39,558.75 is: 59,274.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,234.59 : 96,248.21 = 39,558.75 : x
  2. Step 2: Convert to fraction form
    64,234.59/96,248.21 = 39,558.75/x
  3. Step 3: Cross multiply
    64,234.59x = 96,248.21 × 39,558.75
  4. Step 4: Simplify right side
    64,234.59x = 3,807,458,679.54
  5. Step 5: Solve for x
    x = 3,807,458,679.54/64,234.59
  6. Step 6: Final answer
    x = 59,274.27

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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.