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Finding the Fourth Proportional to 61,351.55, 92,028.48 and 19,230.71

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Solution

The fourth proportional to 61,351.55, 92,028.48 and 19,230.71 is: 28,846.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,351.55 : 92,028.48 = 19,230.71 : x
  2. Step 2: Convert to fraction form
    61,351.55/92,028.48 = 19,230.71/x
  3. Step 3: Cross multiply
    61,351.55x = 92,028.48 × 19,230.71
  4. Step 4: Simplify right side
    61,351.55x = 1,769,772,550.48
  5. Step 5: Solve for x
    x = 1,769,772,550.48/61,351.55
  6. Step 6: Final answer
    x = 28,846.42

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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.