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Finding the Fourth Proportional to 57,019.44, 85,533.72 and 19,564.44

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Solution

The fourth proportional to 57,019.44, 85,533.72 and 19,564.44 is: 29,348.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,019.44 : 85,533.72 = 19,564.44 : x
  2. Step 2: Convert to fraction form
    57,019.44/85,533.72 = 19,564.44/x
  3. Step 3: Cross multiply
    57,019.44x = 85,533.72 × 19,564.44
  4. Step 4: Simplify right side
    57,019.44x = 1,673,419,332.92
  5. Step 5: Solve for x
    x = 1,673,419,332.92/57,019.44
  6. Step 6: Final answer
    x = 29,348.22

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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.