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Finding the Fourth Proportional to 7,663.88, 11,494.72 and 4,760.84

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Solution

The fourth proportional to 7,663.88, 11,494.72 and 4,760.84 is: 7,140.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,663.88 : 11,494.72 = 4,760.84 : x
  2. Step 2: Convert to fraction form
    7,663.88/11,494.72 = 4,760.84/x
  3. Step 3: Cross multiply
    7,663.88x = 11,494.72 × 4,760.84
  4. Step 4: Simplify right side
    7,663.88x = 54,724,522.76
  5. Step 5: Solve for x
    x = 54,724,522.76/7,663.88
  6. Step 6: Final answer
    x = 7,140.58

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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.