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Finding the Fourth Proportional to 64,540.65, 89,016.81 and 46,694.73

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Solution

The fourth proportional to 64,540.65, 89,016.81 and 46,694.73 is: 64,403.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,540.65 : 89,016.81 = 46,694.73 : x
  2. Step 2: Convert to fraction form
    64,540.65/89,016.81 = 46,694.73/x
  3. Step 3: Cross multiply
    64,540.65x = 89,016.81 × 46,694.73
  4. Step 4: Simplify right side
    64,540.65x = 4,156,615,908.41
  5. Step 5: Solve for x
    x = 4,156,615,908.41/64,540.65
  6. Step 6: Final answer
    x = 64,403.07

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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.