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Finding the Fourth Proportional to 60,783.52, 91,184.37 and 21,333.70

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Solution

The fourth proportional to 60,783.52, 91,184.37 and 21,333.70 is: 32,003.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,783.52 : 91,184.37 = 21,333.70 : x
  2. Step 2: Convert to fraction form
    60,783.52/91,184.37 = 21,333.70/x
  3. Step 3: Cross multiply
    60,783.52x = 91,184.37 × 21,333.70
  4. Step 4: Simplify right side
    60,783.52x = 1,945,299,994.27
  5. Step 5: Solve for x
    x = 1,945,299,994.27/60,783.52
  6. Step 6: Final answer
    x = 32,003.74

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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.