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Finding the Fourth Proportional to 39,572.48, 54,610.01 and 21,667.48

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Solution

The fourth proportional to 39,572.48, 54,610.01 and 21,667.48 is: 29,901.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,572.48 : 54,610.01 = 21,667.48 : x
  2. Step 2: Convert to fraction form
    39,572.48/54,610.01 = 21,667.48/x
  3. Step 3: Cross multiply
    39,572.48x = 54,610.01 × 21,667.48
  4. Step 4: Simplify right side
    39,572.48x = 1,183,261,299.47
  5. Step 5: Solve for x
    x = 1,183,261,299.47/39,572.48
  6. Step 6: Final answer
    x = 29,901.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.