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Finding the Fourth Proportional to 62,607.36, 93,891.20 and 20,477.70

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Solution

The fourth proportional to 62,607.36, 93,891.20 and 20,477.70 is: 30,710.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,607.36 : 93,891.20 = 20,477.70 : x
  2. Step 2: Convert to fraction form
    62,607.36/93,891.20 = 20,477.70/x
  3. Step 3: Cross multiply
    62,607.36x = 93,891.20 × 20,477.70
  4. Step 4: Simplify right side
    62,607.36x = 1,922,675,723.85
  5. Step 5: Solve for x
    x = 1,922,675,723.85/62,607.36
  6. Step 6: Final answer
    x = 30,710.06

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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.