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Finding the Fourth Proportional to 7,654.19, 10,562.79 and 4,469.67

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Solution

The fourth proportional to 7,654.19, 10,562.79 and 4,469.67 is: 6,168.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,654.19 : 10,562.79 = 4,469.67 : x
  2. Step 2: Convert to fraction form
    7,654.19/10,562.79 = 4,469.67/x
  3. Step 3: Cross multiply
    7,654.19x = 10,562.79 × 4,469.67
  4. Step 4: Simplify right side
    7,654.19x = 47,212,185.58
  5. Step 5: Solve for x
    x = 47,212,185.58/7,654.19
  6. Step 6: Final answer
    x = 6,168.15

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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.