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Finding the Fourth Proportional to 64,497.92, 89,005.46 and 35,816.85

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Solution

The fourth proportional to 64,497.92, 89,005.46 and 35,816.85 is: 49,426.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,497.92 : 89,005.46 = 35,816.85 : x
  2. Step 2: Convert to fraction form
    64,497.92/89,005.46 = 35,816.85/x
  3. Step 3: Cross multiply
    64,497.92x = 89,005.46 × 35,816.85
  4. Step 4: Simplify right side
    64,497.92x = 3,187,895,030.92
  5. Step 5: Solve for x
    x = 3,187,895,030.92/64,497.92
  6. Step 6: Final answer
    x = 49,426.33

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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.