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Finding the Fourth Proportional to 17,088.77, 25,635.89 and 7,230.87

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Solution

The fourth proportional to 17,088.77, 25,635.89 and 7,230.87 is: 10,847.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,088.77 : 25,635.89 = 7,230.87 : x
  2. Step 2: Convert to fraction form
    17,088.77/25,635.89 = 7,230.87/x
  3. Step 3: Cross multiply
    17,088.77x = 25,635.89 × 7,230.87
  4. Step 4: Simplify right side
    17,088.77x = 185,369,806.00
  5. Step 5: Solve for x
    x = 185,369,806.00/17,088.77
  6. Step 6: Final answer
    x = 10,847.46

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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.