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Finding the Fourth Proportional to 62,471.77, 93,715.46 and 20,356.12

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Solution

The fourth proportional to 62,471.77, 93,715.46 and 20,356.12 is: 30,536.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,471.77 : 93,715.46 = 20,356.12 : x
  2. Step 2: Convert to fraction form
    62,471.77/93,715.46 = 20,356.12/x
  3. Step 3: Cross multiply
    62,471.77x = 93,715.46 × 20,356.12
  4. Step 4: Simplify right side
    62,471.77x = 1,907,682,579.26
  5. Step 5: Solve for x
    x = 1,907,682,579.26/62,471.77
  6. Step 6: Final answer
    x = 30,536.72

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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.