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Finding the Fourth Proportional to 24,598.71, 33,946.20 and 13,420.71

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Solution

The fourth proportional to 24,598.71, 33,946.20 and 13,420.71 is: 18,520.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,598.71 : 33,946.20 = 13,420.71 : x
  2. Step 2: Convert to fraction form
    24,598.71/33,946.20 = 13,420.71/x
  3. Step 3: Cross multiply
    24,598.71x = 33,946.20 × 13,420.71
  4. Step 4: Simplify right side
    24,598.71x = 455,582,105.80
  5. Step 5: Solve for x
    x = 455,582,105.80/24,598.71
  6. Step 6: Final answer
    x = 18,520.57

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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.