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Finding the Fourth Proportional to 62,471.89, 93,715.64 and 20,356.24

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Solution

The fourth proportional to 62,471.89, 93,715.64 and 20,356.24 is: 30,536.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,471.89 : 93,715.64 = 20,356.24 : x
  2. Step 2: Convert to fraction form
    62,471.89/93,715.64 = 20,356.24/x
  3. Step 3: Cross multiply
    62,471.89x = 93,715.64 × 20,356.24
  4. Step 4: Simplify right side
    62,471.89x = 1,907,698,059.59
  5. Step 5: Solve for x
    x = 1,907,698,059.59/62,471.89
  6. Step 6: Final answer
    x = 30,536.90

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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.