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Finding the Fourth Proportional to 14,735.88, 22,105.44 and 7,342.20

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Solution

The fourth proportional to 14,735.88, 22,105.44 and 7,342.20 is: 11,014.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,735.88 : 22,105.44 = 7,342.20 : x
  2. Step 2: Convert to fraction form
    14,735.88/22,105.44 = 7,342.20/x
  3. Step 3: Cross multiply
    14,735.88x = 22,105.44 × 7,342.20
  4. Step 4: Simplify right side
    14,735.88x = 162,302,561.57
  5. Step 5: Solve for x
    x = 162,302,561.57/14,735.88
  6. Step 6: Final answer
    x = 11,014.11

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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.