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Finding the Fourth Proportional to 60,999.80, 91,490.25 and 16,630.13

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Solution

The fourth proportional to 60,999.80, 91,490.25 and 16,630.13 is: 24,942.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,999.80 : 91,490.25 = 16,630.13 : x
  2. Step 2: Convert to fraction form
    60,999.80/91,490.25 = 16,630.13/x
  3. Step 3: Cross multiply
    60,999.80x = 91,490.25 × 16,630.13
  4. Step 4: Simplify right side
    60,999.80x = 1,521,494,751.23
  5. Step 5: Solve for x
    x = 1,521,494,751.23/60,999.80
  6. Step 6: Final answer
    x = 24,942.62

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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.