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Finding the Fourth Proportional to 4,751.77, 6,557.42 and 2,655.90

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Solution

The fourth proportional to 4,751.77, 6,557.42 and 2,655.90 is: 3,665.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,751.77 : 6,557.42 = 2,655.90 : x
  2. Step 2: Convert to fraction form
    4,751.77/6,557.42 = 2,655.90/x
  3. Step 3: Cross multiply
    4,751.77x = 6,557.42 × 2,655.90
  4. Step 4: Simplify right side
    4,751.77x = 17,415,851.78
  5. Step 5: Solve for x
    x = 17,415,851.78/4,751.77
  6. Step 6: Final answer
    x = 3,665.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.