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Finding the Fourth Proportional to 57,476.05, 86,214.11 and 15,923.05

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Solution

The fourth proportional to 57,476.05, 86,214.11 and 15,923.05 is: 23,884.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,476.05 : 86,214.11 = 15,923.05 : x
  2. Step 2: Convert to fraction form
    57,476.05/86,214.11 = 15,923.05/x
  3. Step 3: Cross multiply
    57,476.05x = 86,214.11 × 15,923.05
  4. Step 4: Simplify right side
    57,476.05x = 1,372,791,289.08
  5. Step 5: Solve for x
    x = 1,372,791,289.08/57,476.05
  6. Step 6: Final answer
    x = 23,884.58

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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.