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Finding the Fourth Proportional to 64,763.69, 89,362.04 and 36,082.62

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Solution

The fourth proportional to 64,763.69, 89,362.04 and 36,082.62 is: 49,787.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,763.69 : 89,362.04 = 36,082.62 : x
  2. Step 2: Convert to fraction form
    64,763.69/89,362.04 = 36,082.62/x
  3. Step 3: Cross multiply
    64,763.69x = 89,362.04 × 36,082.62
  4. Step 4: Simplify right side
    64,763.69x = 3,224,416,351.33
  5. Step 5: Solve for x
    x = 3,224,416,351.33/64,763.69
  6. Step 6: Final answer
    x = 49,787.41

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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.