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Finding the Fourth Proportional to 24,572.99, 33,900.05 and 15,615.69

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Solution

The fourth proportional to 24,572.99, 33,900.05 and 15,615.69 is: 21,542.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,572.99 : 33,900.05 = 15,615.69 : x
  2. Step 2: Convert to fraction form
    24,572.99/33,900.05 = 15,615.69/x
  3. Step 3: Cross multiply
    24,572.99x = 33,900.05 × 15,615.69
  4. Step 4: Simplify right side
    24,572.99x = 529,372,671.78
  5. Step 5: Solve for x
    x = 529,372,671.78/24,572.99
  6. Step 6: Final answer
    x = 21,542.87

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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.