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Finding the Fourth Proportional to 24,879.70, 37,210.20 and 20,943.10

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Solution

The fourth proportional to 24,879.70, 37,210.20 and 20,943.10 is: 31,322.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,879.70 : 37,210.20 = 20,943.10 : x
  2. Step 2: Convert to fraction form
    24,879.70/37,210.20 = 20,943.10/x
  3. Step 3: Cross multiply
    24,879.70x = 37,210.20 × 20,943.10
  4. Step 4: Simplify right side
    24,879.70x = 779,296,939.62
  5. Step 5: Solve for x
    x = 779,296,939.62/24,879.70
  6. Step 6: Final answer
    x = 31,322.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.