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Finding the Fourth Proportional to 60,830.16, 91,245.15 and 19,273.92

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Solution

The fourth proportional to 60,830.16, 91,245.15 and 19,273.92 is: 28,910.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,830.16 : 91,245.15 = 19,273.92 : x
  2. Step 2: Convert to fraction form
    60,830.16/91,245.15 = 19,273.92/x
  3. Step 3: Cross multiply
    60,830.16x = 91,245.15 × 19,273.92
  4. Step 4: Simplify right side
    60,830.16x = 1,758,651,721.49
  5. Step 5: Solve for x
    x = 1,758,651,721.49/60,830.16
  6. Step 6: Final answer
    x = 28,910.85

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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.