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Finding the Fourth Proportional to 10,832.65, 14,949.75 and 6,354.77

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Solution

The fourth proportional to 10,832.65, 14,949.75 and 6,354.77 is: 8,769.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,832.65 : 14,949.75 = 6,354.77 : x
  2. Step 2: Convert to fraction form
    10,832.65/14,949.75 = 6,354.77/x
  3. Step 3: Cross multiply
    10,832.65x = 14,949.75 × 6,354.77
  4. Step 4: Simplify right side
    10,832.65x = 95,002,222.81
  5. Step 5: Solve for x
    x = 95,002,222.81/10,832.65
  6. Step 6: Final answer
    x = 8,769.99

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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.