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Finding the Fourth Proportional to 64,895.34, 89,596.11 and 49,758.91

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Solution

The fourth proportional to 64,895.34, 89,596.11 and 49,758.91 is: 68,698.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,895.34 : 89,596.11 = 49,758.91 : x
  2. Step 2: Convert to fraction form
    64,895.34/89,596.11 = 49,758.91/x
  3. Step 3: Cross multiply
    64,895.34x = 89,596.11 × 49,758.91
  4. Step 4: Simplify right side
    64,895.34x = 4,458,204,736.45
  5. Step 5: Solve for x
    x = 4,458,204,736.45/64,895.34
  6. Step 6: Final answer
    x = 68,698.38

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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.