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Finding the Fourth Proportional to 24,421.87, 33,702.24 and 13,243.87

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Solution

The fourth proportional to 24,421.87, 33,702.24 and 13,243.87 is: 18,276.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,421.87 : 33,702.24 = 13,243.87 : x
  2. Step 2: Convert to fraction form
    24,421.87/33,702.24 = 13,243.87/x
  3. Step 3: Cross multiply
    24,421.87x = 33,702.24 × 13,243.87
  4. Step 4: Simplify right side
    24,421.87x = 446,348,085.27
  5. Step 5: Solve for x
    x = 446,348,085.27/24,421.87
  6. Step 6: Final answer
    x = 18,276.57

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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.