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Finding the Fourth Proportional to 3,333.69, 5,003.55 and 1,775.00

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Solution

The fourth proportional to 3,333.69, 5,003.55 and 1,775.00 is: 2,664.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,333.69 : 5,003.55 = 1,775.00 : x
  2. Step 2: Convert to fraction form
    3,333.69/5,003.55 = 1,775.00/x
  3. Step 3: Cross multiply
    3,333.69x = 5,003.55 × 1,775.00
  4. Step 4: Simplify right side
    3,333.69x = 8,881,313.76
  5. Step 5: Solve for x
    x = 8,881,313.76/3,333.69
  6. Step 6: Final answer
    x = 2,664.11

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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.