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Finding the Fourth Proportional to 20,366.59, 30,541.99 and 7,037.13

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Solution

The fourth proportional to 20,366.59, 30,541.99 and 7,037.13 is: 10,552.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,366.59 : 30,541.99 = 7,037.13 : x
  2. Step 2: Convert to fraction form
    20,366.59/30,541.99 = 7,037.13/x
  3. Step 3: Cross multiply
    20,366.59x = 30,541.99 × 7,037.13
  4. Step 4: Simplify right side
    20,366.59x = 214,927,954.09
  5. Step 5: Solve for x
    x = 214,927,954.09/20,366.59
  6. Step 6: Final answer
    x = 10,552.97

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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.