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Finding the Fourth Proportional to 4,573.76, 6,859.28 and 1,941.22

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Solution

The fourth proportional to 4,573.76, 6,859.28 and 1,941.22 is: 2,911.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,573.76 : 6,859.28 = 1,941.22 : x
  2. Step 2: Convert to fraction form
    4,573.76/6,859.28 = 1,941.22/x
  3. Step 3: Cross multiply
    4,573.76x = 6,859.28 × 1,941.22
  4. Step 4: Simplify right side
    4,573.76x = 13,315,361.82
  5. Step 5: Solve for x
    x = 13,315,361.82/4,573.76
  6. Step 6: Final answer
    x = 2,911.25

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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.