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Finding the Fourth Proportional to 18,166.92, 25,065.90 and 10,608.96

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Solution

The fourth proportional to 18,166.92, 25,065.90 and 10,608.96 is: 14,637.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,166.92 : 25,065.90 = 10,608.96 : x
  2. Step 2: Convert to fraction form
    18,166.92/25,065.90 = 10,608.96/x
  3. Step 3: Cross multiply
    18,166.92x = 25,065.90 × 10,608.96
  4. Step 4: Simplify right side
    18,166.92x = 265,923,130.46
  5. Step 5: Solve for x
    x = 265,923,130.46/18,166.92
  6. Step 6: Final answer
    x = 14,637.77

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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.