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Finding the Fourth Proportional to 4,803.72, 7,208.82 and 1,881.66

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Solution

The fourth proportional to 4,803.72, 7,208.82 and 1,881.66 is: 2,823.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,803.72 : 7,208.82 = 1,881.66 : x
  2. Step 2: Convert to fraction form
    4,803.72/7,208.82 = 1,881.66/x
  3. Step 3: Cross multiply
    4,803.72x = 7,208.82 × 1,881.66
  4. Step 4: Simplify right side
    4,803.72x = 13,564,548.24
  5. Step 5: Solve for x
    x = 13,564,548.24/4,803.72
  6. Step 6: Final answer
    x = 2,823.76

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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.