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Finding the Fourth Proportional to 21,337.92, 32,007.47 and 5,755.50

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Solution

The fourth proportional to 21,337.92, 32,007.47 and 5,755.50 is: 8,633.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,337.92 : 32,007.47 = 5,755.50 : x
  2. Step 2: Convert to fraction form
    21,337.92/32,007.47 = 5,755.50/x
  3. Step 3: Cross multiply
    21,337.92x = 32,007.47 × 5,755.50
  4. Step 4: Simplify right side
    21,337.92x = 184,218,964.81
  5. Step 5: Solve for x
    x = 184,218,964.81/21,337.92
  6. Step 6: Final answer
    x = 8,633.41

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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.