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Finding the Fourth Proportional to 3,097.09, 4,644.76 and 875.77

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Solution

The fourth proportional to 3,097.09, 4,644.76 and 875.77 is: 1,313.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,097.09 : 4,644.76 = 875.77 : x
  2. Step 2: Convert to fraction form
    3,097.09/4,644.76 = 875.77/x
  3. Step 3: Cross multiply
    3,097.09x = 4,644.76 × 875.77
  4. Step 4: Simplify right side
    3,097.09x = 4,067,741.47
  5. Step 5: Solve for x
    x = 4,067,741.47/3,097.09
  6. Step 6: Final answer
    x = 1,313.41

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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.