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Finding the Fourth Proportional to 69,459.35, 104,189.54 and 19,544.49

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Solution

The fourth proportional to 69,459.35, 104,189.54 and 19,544.49 is: 29,316.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,459.35 : 104,189.54 = 19,544.49 : x
  2. Step 2: Convert to fraction form
    69,459.35/104,189.54 = 19,544.49/x
  3. Step 3: Cross multiply
    69,459.35x = 104,189.54 × 19,544.49
  4. Step 4: Simplify right side
    69,459.35x = 2,036,331,422.63
  5. Step 5: Solve for x
    x = 2,036,331,422.63/69,459.35
  6. Step 6: Final answer
    x = 29,316.88

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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.