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Finding the Fourth Proportional to 69,522.80, 104,221.83 and 25,139.12

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Solution

The fourth proportional to 69,522.80, 104,221.83 and 25,139.12 is: 37,686.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,522.80 : 104,221.83 = 25,139.12 : x
  2. Step 2: Convert to fraction form
    69,522.80/104,221.83 = 25,139.12/x
  3. Step 3: Cross multiply
    69,522.80x = 104,221.83 × 25,139.12
  4. Step 4: Simplify right side
    69,522.80x = 2,620,045,090.99
  5. Step 5: Solve for x
    x = 2,620,045,090.99/69,522.80
  6. Step 6: Final answer
    x = 37,686.13

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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.