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Finding the Fourth Proportional to 7,644.52, 10,551.68 and 4,992.33

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Solution

The fourth proportional to 7,644.52, 10,551.68 and 4,992.33 is: 6,890.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,644.52 : 10,551.68 = 4,992.33 : x
  2. Step 2: Convert to fraction form
    7,644.52/10,551.68 = 4,992.33/x
  3. Step 3: Cross multiply
    7,644.52x = 10,551.68 × 4,992.33
  4. Step 4: Simplify right side
    7,644.52x = 52,677,468.61
  5. Step 5: Solve for x
    x = 52,677,468.61/7,644.52
  6. Step 6: Final answer
    x = 6,890.88

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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.