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Finding the Fourth Proportional to 21,523.86, 32,287.65 and 5,941.49

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Solution

The fourth proportional to 21,523.86, 32,287.65 and 5,941.49 is: 8,912.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,523.86 : 32,287.65 = 5,941.49 : x
  2. Step 2: Convert to fraction form
    21,523.86/32,287.65 = 5,941.49/x
  3. Step 3: Cross multiply
    21,523.86x = 32,287.65 × 5,941.49
  4. Step 4: Simplify right side
    21,523.86x = 191,836,588.16
  5. Step 5: Solve for x
    x = 191,836,588.16/21,523.86
  6. Step 6: Final answer
    x = 8,912.74

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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.