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Finding the Fourth Proportional to 6,763.84, 9,334.08 and 4,076.62

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Solution

The fourth proportional to 6,763.84, 9,334.08 and 4,076.62 is: 5,625.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,763.84 : 9,334.08 = 4,076.62 : x
  2. Step 2: Convert to fraction form
    6,763.84/9,334.08 = 4,076.62/x
  3. Step 3: Cross multiply
    6,763.84x = 9,334.08 × 4,076.62
  4. Step 4: Simplify right side
    6,763.84x = 38,051,497.21
  5. Step 5: Solve for x
    x = 38,051,497.21/6,763.84
  6. Step 6: Final answer
    x = 5,625.72

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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.