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Finding the Fourth Proportional to 14,323.71, 19,766.93 and 7,950.71

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Solution

The fourth proportional to 14,323.71, 19,766.93 and 7,950.71 is: 10,972.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,323.71 : 19,766.93 = 7,950.71 : x
  2. Step 2: Convert to fraction form
    14,323.71/19,766.93 = 7,950.71/x
  3. Step 3: Cross multiply
    14,323.71x = 19,766.93 × 7,950.71
  4. Step 4: Simplify right side
    14,323.71x = 157,161,104.45
  5. Step 5: Solve for x
    x = 157,161,104.45/14,323.71
  6. Step 6: Final answer
    x = 10,972.10

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1.5x scale

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.