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Finding the Fourth Proportional to 18,125.99, 25,014.24 and 10,168.77

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Solution

The fourth proportional to 18,125.99, 25,014.24 and 10,168.77 is: 14,033.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,125.99 : 25,014.24 = 10,168.77 : x
  2. Step 2: Convert to fraction form
    18,125.99/25,014.24 = 10,168.77/x
  3. Step 3: Cross multiply
    18,125.99x = 25,014.24 × 10,168.77
  4. Step 4: Simplify right side
    18,125.99x = 254,364,053.28
  5. Step 5: Solve for x
    x = 254,364,053.28/18,125.99
  6. Step 6: Final answer
    x = 14,033.12

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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.