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Finding the Fourth Proportional to 7,096.36, 9,787.62 and 6,677.80

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Solution

The fourth proportional to 7,096.36, 9,787.62 and 6,677.80 is: 9,210.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,096.36 : 9,787.62 = 6,677.80 : x
  2. Step 2: Convert to fraction form
    7,096.36/9,787.62 = 6,677.80/x
  3. Step 3: Cross multiply
    7,096.36x = 9,787.62 × 6,677.80
  4. Step 4: Simplify right side
    7,096.36x = 65,359,768.84
  5. Step 5: Solve for x
    x = 65,359,768.84/7,096.36
  6. Step 6: Final answer
    x = 9,210.32

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Double scale
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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.