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Finding the Fourth Proportional to 17,088.23, 25,620.03 and 10,500.80

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Solution

The fourth proportional to 17,088.23, 25,620.03 and 10,500.80 is: 15,743.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,088.23 : 25,620.03 = 10,500.80 : x
  2. Step 2: Convert to fraction form
    17,088.23/25,620.03 = 10,500.80/x
  3. Step 3: Cross multiply
    17,088.23x = 25,620.03 × 10,500.80
  4. Step 4: Simplify right side
    17,088.23x = 269,030,811.02
  5. Step 5: Solve for x
    x = 269,030,811.02/17,088.23
  6. Step 6: Final answer
    x = 15,743.63

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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.