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Finding the Fourth Proportional to 69,408.99, 95,784.45 and 37,577.88

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Solution

The fourth proportional to 69,408.99, 95,784.45 and 37,577.88 is: 51,857.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,408.99 : 95,784.45 = 37,577.88 : x
  2. Step 2: Convert to fraction form
    69,408.99/95,784.45 = 37,577.88/x
  3. Step 3: Cross multiply
    69,408.99x = 95,784.45 × 37,577.88
  4. Step 4: Simplify right side
    69,408.99x = 3,599,376,567.97
  5. Step 5: Solve for x
    x = 3,599,376,567.97/69,408.99
  6. Step 6: Final answer
    x = 51,857.50

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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.