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Finding the Fourth Proportional to 13,867.75, 20,802.71 and 4,633.75

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Solution

The fourth proportional to 13,867.75, 20,802.71 and 4,633.75 is: 6,950.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,867.75 : 20,802.71 = 4,633.75 : x
  2. Step 2: Convert to fraction form
    13,867.75/20,802.71 = 4,633.75/x
  3. Step 3: Cross multiply
    13,867.75x = 20,802.71 × 4,633.75
  4. Step 4: Simplify right side
    13,867.75x = 96,394,557.46
  5. Step 5: Solve for x
    x = 96,394,557.46/13,867.75
  6. Step 6: Final answer
    x = 6,950.99

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1.5x scale

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.