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Finding the Fourth Proportional to 64,657.69, 89,227.62 and 36,363.38

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Solution

The fourth proportional to 64,657.69, 89,227.62 and 36,363.38 is: 50,181.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,657.69 : 89,227.62 = 36,363.38 : x
  2. Step 2: Convert to fraction form
    64,657.69/89,227.62 = 36,363.38/x
  3. Step 3: Cross multiply
    64,657.69x = 89,227.62 × 36,363.38
  4. Step 4: Simplify right side
    64,657.69x = 3,244,617,406.42
  5. Step 5: Solve for x
    x = 3,244,617,406.42/64,657.69
  6. Step 6: Final answer
    x = 50,181.46

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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.