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Finding the Fourth Proportional to 64,872.92, 89,524.58 and 35,064.92

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Solution

The fourth proportional to 64,872.92, 89,524.58 and 35,064.92 is: 48,389.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,872.92 : 89,524.58 = 35,064.92 : x
  2. Step 2: Convert to fraction form
    64,872.92/89,524.58 = 35,064.92/x
  3. Step 3: Cross multiply
    64,872.92x = 89,524.58 × 35,064.92
  4. Step 4: Simplify right side
    64,872.92x = 3,139,172,235.73
  5. Step 5: Solve for x
    x = 3,139,172,235.73/64,872.92
  6. Step 6: Final answer
    x = 48,389.56

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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.