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Finding the Fourth Proportional to 1,677.77, 2,314.95 and 1,014.61

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Solution

The fourth proportional to 1,677.77, 2,314.95 and 1,014.61 is: 1,399.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,677.77 : 2,314.95 = 1,014.61 : x
  2. Step 2: Convert to fraction form
    1,677.77/2,314.95 = 1,014.61/x
  3. Step 3: Cross multiply
    1,677.77x = 2,314.95 × 1,014.61
  4. Step 4: Simplify right side
    1,677.77x = 2,348,771.42
  5. Step 5: Solve for x
    x = 2,348,771.42/1,677.77
  6. Step 6: Final answer
    x = 1,399.94

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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.