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Finding the Fourth Proportional to 3,322.58, 4,975.36 and 1,854.86

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Solution

The fourth proportional to 3,322.58, 4,975.36 and 1,854.86 is: 2,777.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,322.58 : 4,975.36 = 1,854.86 : x
  2. Step 2: Convert to fraction form
    3,322.58/4,975.36 = 1,854.86/x
  3. Step 3: Cross multiply
    3,322.58x = 4,975.36 × 1,854.86
  4. Step 4: Simplify right side
    3,322.58x = 9,228,566.74
  5. Step 5: Solve for x
    x = 9,228,566.74/3,322.58
  6. Step 6: Final answer
    x = 2,777.53

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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.