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Finding the Fourth Proportional to 6,919.92, 9,549.54 and 3,776.04

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Solution

The fourth proportional to 6,919.92, 9,549.54 and 3,776.04 is: 5,210.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,919.92 : 9,549.54 = 3,776.04 : x
  2. Step 2: Convert to fraction form
    6,919.92/9,549.54 = 3,776.04/x
  3. Step 3: Cross multiply
    6,919.92x = 9,549.54 × 3,776.04
  4. Step 4: Simplify right side
    6,919.92x = 36,059,445.02
  5. Step 5: Solve for x
    x = 36,059,445.02/6,919.92
  6. Step 6: Final answer
    x = 5,210.96

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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.