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Finding the Fourth Proportional to 37,491.36, 51,737.76 and 20,724.24

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Solution

The fourth proportional to 37,491.36, 51,737.76 and 20,724.24 is: 28,599.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,491.36 : 51,737.76 = 20,724.24 : x
  2. Step 2: Convert to fraction form
    37,491.36/51,737.76 = 20,724.24/x
  3. Step 3: Cross multiply
    37,491.36x = 51,737.76 × 20,724.24
  4. Step 4: Simplify right side
    37,491.36x = 1,072,225,755.30
  5. Step 5: Solve for x
    x = 1,072,225,755.30/37,491.36
  6. Step 6: Final answer
    x = 28,599.28

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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.