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Finding the Fourth Proportional to 76,645.77, 114,972.60 and 23,333.54

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Solution

The fourth proportional to 76,645.77, 114,972.60 and 23,333.54 is: 35,001.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,645.77 : 114,972.60 = 23,333.54 : x
  2. Step 2: Convert to fraction form
    76,645.77/114,972.60 = 23,333.54/x
  3. Step 3: Cross multiply
    76,645.77x = 114,972.60 × 23,333.54
  4. Step 4: Simplify right side
    76,645.77x = 2,682,717,186.14
  5. Step 5: Solve for x
    x = 2,682,717,186.14/76,645.77
  6. Step 6: Final answer
    x = 35,001.50

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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.