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Finding the Fourth Proportional to 4,333.72, 6,495.12 and 1,865.68

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Solution

The fourth proportional to 4,333.72, 6,495.12 and 1,865.68 is: 2,796.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,333.72 : 6,495.12 = 1,865.68 : x
  2. Step 2: Convert to fraction form
    4,333.72/6,495.12 = 1,865.68/x
  3. Step 3: Cross multiply
    4,333.72x = 6,495.12 × 1,865.68
  4. Step 4: Simplify right side
    4,333.72x = 12,117,815.48
  5. Step 5: Solve for x
    x = 12,117,815.48/4,333.72
  6. Step 6: Final answer
    x = 2,796.17

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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.