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Finding the Fourth Proportional to 62,557.70, 93,846.83 and 20,425.64

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Solution

The fourth proportional to 62,557.70, 93,846.83 and 20,425.64 is: 30,641.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,557.70 : 93,846.83 = 20,425.64 : x
  2. Step 2: Convert to fraction form
    62,557.70/93,846.83 = 20,425.64/x
  3. Step 3: Cross multiply
    62,557.70x = 93,846.83 × 20,425.64
  4. Step 4: Simplify right side
    62,557.70x = 1,916,880,993.36
  5. Step 5: Solve for x
    x = 1,916,880,993.36/62,557.70
  6. Step 6: Final answer
    x = 30,641.81

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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.