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Finding the Fourth Proportional to 8,860.94, 13,293.71 and 3,314.71

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Solution

The fourth proportional to 8,860.94, 13,293.71 and 3,314.71 is: 4,972.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,860.94 : 13,293.71 = 3,314.71 : x
  2. Step 2: Convert to fraction form
    8,860.94/13,293.71 = 3,314.71/x
  3. Step 3: Cross multiply
    8,860.94x = 13,293.71 × 3,314.71
  4. Step 4: Simplify right side
    8,860.94x = 44,064,866.66
  5. Step 5: Solve for x
    x = 44,064,866.66/8,860.94
  6. Step 6: Final answer
    x = 4,972.93

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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.