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Finding the Fourth Proportional to 21,864.76, 32,797.14 and 5,448.76

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Solution

The fourth proportional to 21,864.76, 32,797.14 and 5,448.76 is: 8,173.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,864.76 : 32,797.14 = 5,448.76 : x
  2. Step 2: Convert to fraction form
    21,864.76/32,797.14 = 5,448.76/x
  3. Step 3: Cross multiply
    21,864.76x = 32,797.14 × 5,448.76
  4. Step 4: Simplify right side
    21,864.76x = 178,703,744.55
  5. Step 5: Solve for x
    x = 178,703,744.55/21,864.76
  6. Step 6: Final answer
    x = 8,173.14

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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.