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Finding the Fourth Proportional to 60,937.66, 91,415.16 and 18,821.23

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Solution

The fourth proportional to 60,937.66, 91,415.16 and 18,821.23 is: 28,234.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,937.66 : 91,415.16 = 18,821.23 : x
  2. Step 2: Convert to fraction form
    60,937.66/91,415.16 = 18,821.23/x
  3. Step 3: Cross multiply
    60,937.66x = 91,415.16 × 18,821.23
  4. Step 4: Simplify right side
    60,937.66x = 1,720,545,751.85
  5. Step 5: Solve for x
    x = 1,720,545,751.85/60,937.66
  6. Step 6: Final answer
    x = 28,234.52

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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.