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Finding the Fourth Proportional to 7,976.84, 11,008.04 and 4,440.88

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Solution

The fourth proportional to 7,976.84, 11,008.04 and 4,440.88 is: 6,128.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,976.84 : 11,008.04 = 4,440.88 : x
  2. Step 2: Convert to fraction form
    7,976.84/11,008.04 = 4,440.88/x
  3. Step 3: Cross multiply
    7,976.84x = 11,008.04 × 4,440.88
  4. Step 4: Simplify right side
    7,976.84x = 48,885,384.68
  5. Step 5: Solve for x
    x = 48,885,384.68/7,976.84
  6. Step 6: Final answer
    x = 6,128.41

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Double scale
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Similar ratio
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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.