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Finding the Fourth Proportional to 14,494.74, 21,750.93 and 7,922.34

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Solution

The fourth proportional to 14,494.74, 21,750.93 and 7,922.34 is: 11,888.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,494.74 : 21,750.93 = 7,922.34 : x
  2. Step 2: Convert to fraction form
    14,494.74/21,750.93 = 7,922.34/x
  3. Step 3: Cross multiply
    14,494.74x = 21,750.93 × 7,922.34
  4. Step 4: Simplify right side
    14,494.74x = 172,318,262.78
  5. Step 5: Solve for x
    x = 172,318,262.78/14,494.74
  6. Step 6: Final answer
    x = 11,888.33

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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.