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Finding the Fourth Proportional to 3,303.53, 4,955.05 and 1,223.15

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Solution

The fourth proportional to 3,303.53, 4,955.05 and 1,223.15 is: 1,834.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,303.53 : 4,955.05 = 1,223.15 : x
  2. Step 2: Convert to fraction form
    3,303.53/4,955.05 = 1,223.15/x
  3. Step 3: Cross multiply
    3,303.53x = 4,955.05 × 1,223.15
  4. Step 4: Simplify right side
    3,303.53x = 6,060,741.57
  5. Step 5: Solve for x
    x = 6,060,741.57/3,303.53
  6. Step 6: Final answer
    x = 1,834.63

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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.