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Finding the Fourth Proportional to 21,858.42, 32,723.84 and 16,260.92

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Solution

The fourth proportional to 21,858.42, 32,723.84 and 16,260.92 is: 24,343.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,858.42 : 32,723.84 = 16,260.92 : x
  2. Step 2: Convert to fraction form
    21,858.42/32,723.84 = 16,260.92/x
  3. Step 3: Cross multiply
    21,858.42x = 32,723.84 × 16,260.92
  4. Step 4: Simplify right side
    21,858.42x = 532,119,744.33
  5. Step 5: Solve for x
    x = 532,119,744.33/21,858.42
  6. Step 6: Final answer
    x = 24,343.93

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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.