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Finding the Fourth Proportional to 61,651.37, 85,073.99 and 37,774.77

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Solution

The fourth proportional to 61,651.37, 85,073.99 and 37,774.77 is: 52,126.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,651.37 : 85,073.99 = 37,774.77 : x
  2. Step 2: Convert to fraction form
    61,651.37/85,073.99 = 37,774.77/x
  3. Step 3: Cross multiply
    61,651.37x = 85,073.99 × 37,774.77
  4. Step 4: Simplify right side
    61,651.37x = 3,213,650,216.36
  5. Step 5: Solve for x
    x = 3,213,650,216.36/61,651.37
  6. Step 6: Final answer
    x = 52,126.18

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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.