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Finding the Fourth Proportional to 6,551.84, 9,827.76 and 3,776.74

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Solution

The fourth proportional to 6,551.84, 9,827.76 and 3,776.74 is: 5,665.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,551.84 : 9,827.76 = 3,776.74 : x
  2. Step 2: Convert to fraction form
    6,551.84/9,827.76 = 3,776.74/x
  3. Step 3: Cross multiply
    6,551.84x = 9,827.76 × 3,776.74
  4. Step 4: Simplify right side
    6,551.84x = 37,116,894.30
  5. Step 5: Solve for x
    x = 37,116,894.30/6,551.84
  6. Step 6: Final answer
    x = 5,665.11

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.