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Finding the Fourth Proportional to 21,677.98, 32,507.79 and 6,882.93

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Solution

The fourth proportional to 21,677.98, 32,507.79 and 6,882.93 is: 10,321.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,677.98 : 32,507.79 = 6,882.93 : x
  2. Step 2: Convert to fraction form
    21,677.98/32,507.79 = 6,882.93/x
  3. Step 3: Cross multiply
    21,677.98x = 32,507.79 × 6,882.93
  4. Step 4: Simplify right side
    21,677.98x = 223,748,843.02
  5. Step 5: Solve for x
    x = 223,748,843.02/21,677.98
  6. Step 6: Final answer
    x = 10,321.48

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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.