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Finding the Fourth Proportional to 61,529.88, 92,316.22 and 19,416.44

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Solution

The fourth proportional to 61,529.88, 92,316.22 and 19,416.44 is: 29,131.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,529.88 : 92,316.22 = 19,416.44 : x
  2. Step 2: Convert to fraction form
    61,529.88/92,316.22 = 19,416.44/x
  3. Step 3: Cross multiply
    61,529.88x = 92,316.22 × 19,416.44
  4. Step 4: Simplify right side
    61,529.88x = 1,792,452,346.66
  5. Step 5: Solve for x
    x = 1,792,452,346.66/61,529.88
  6. Step 6: Final answer
    x = 29,131.41

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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.