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Finding the Fourth Proportional to 76,641.99, 114,980.28 and 23,338.73

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Solution

The fourth proportional to 76,641.99, 114,980.28 and 23,338.73 is: 35,013.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,641.99 : 114,980.28 = 23,338.73 : x
  2. Step 2: Convert to fraction form
    76,641.99/114,980.28 = 23,338.73/x
  3. Step 3: Cross multiply
    76,641.99x = 114,980.28 × 23,338.73
  4. Step 4: Simplify right side
    76,641.99x = 2,683,493,910.17
  5. Step 5: Solve for x
    x = 2,683,493,910.17/76,641.99
  6. Step 6: Final answer
    x = 35,013.37

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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.