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Finding the Fourth Proportional to 2,203.07, 3,303.77 and 904.64

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Solution

The fourth proportional to 2,203.07, 3,303.77 and 904.64 is: 1,356.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,203.07 : 3,303.77 = 904.64 : x
  2. Step 2: Convert to fraction form
    2,203.07/3,303.77 = 904.64/x
  3. Step 3: Cross multiply
    2,203.07x = 3,303.77 × 904.64
  4. Step 4: Simplify right side
    2,203.07x = 2,988,701.45
  5. Step 5: Solve for x
    x = 2,988,701.45/2,203.07
  6. Step 6: Final answer
    x = 1,356.61

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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.