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Finding the Fourth Proportional to 24,415.99, 33,697.17 and 13,661.47

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Solution

The fourth proportional to 24,415.99, 33,697.17 and 13,661.47 is: 18,854.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,415.99 : 33,697.17 = 13,661.47 : x
  2. Step 2: Convert to fraction form
    24,415.99/33,697.17 = 13,661.47/x
  3. Step 3: Cross multiply
    24,415.99x = 33,697.17 × 13,661.47
  4. Step 4: Simplify right side
    24,415.99x = 460,352,792.80
  5. Step 5: Solve for x
    x = 460,352,792.80/24,415.99
  6. Step 6: Final answer
    x = 18,854.56

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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.