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Finding the Fourth Proportional to 14,788.92, 22,188.78 and 6,998.34

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Solution

The fourth proportional to 14,788.92, 22,188.78 and 6,998.34 is: 10,500.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,788.92 : 22,188.78 = 6,998.34 : x
  2. Step 2: Convert to fraction form
    14,788.92/22,188.78 = 6,998.34/x
  3. Step 3: Cross multiply
    14,788.92x = 22,188.78 × 6,998.34
  4. Step 4: Simplify right side
    14,788.92x = 155,284,626.63
  5. Step 5: Solve for x
    x = 155,284,626.63/14,788.92
  6. Step 6: Final answer
    x = 10,500.07

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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.