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Finding the Fourth Proportional to 55,192.99, 82,790.25 and 15,750.10

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Solution

The fourth proportional to 55,192.99, 82,790.25 and 15,750.10 is: 23,625.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,192.99 : 82,790.25 = 15,750.10 : x
  2. Step 2: Convert to fraction form
    55,192.99/82,790.25 = 15,750.10/x
  3. Step 3: Cross multiply
    55,192.99x = 82,790.25 × 15,750.10
  4. Step 4: Simplify right side
    55,192.99x = 1,303,954,716.53
  5. Step 5: Solve for x
    x = 1,303,954,716.53/55,192.99
  6. Step 6: Final answer
    x = 23,625.37

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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.