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Finding the Fourth Proportional to 3,303.47, 4,955.96 and 1,917.96

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Solution

The fourth proportional to 3,303.47, 4,955.96 and 1,917.96 is: 2,877.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,303.47 : 4,955.96 = 1,917.96 : x
  2. Step 2: Convert to fraction form
    3,303.47/4,955.96 = 1,917.96/x
  3. Step 3: Cross multiply
    3,303.47x = 4,955.96 × 1,917.96
  4. Step 4: Simplify right side
    3,303.47x = 9,505,323.45
  5. Step 5: Solve for x
    x = 9,505,323.45/3,303.47
  6. Step 6: Final answer
    x = 2,877.38

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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.