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Finding the Fourth Proportional to 60,755.99, 91,133.99 and 19,199.75

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Solution

The fourth proportional to 60,755.99, 91,133.99 and 19,199.75 is: 28,799.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,755.99 : 91,133.99 = 19,199.75 : x
  2. Step 2: Convert to fraction form
    60,755.99/91,133.99 = 19,199.75/x
  3. Step 3: Cross multiply
    60,755.99x = 91,133.99 × 19,199.75
  4. Step 4: Simplify right side
    60,755.99x = 1,749,749,728.50
  5. Step 5: Solve for x
    x = 1,749,749,728.50/60,755.99
  6. Step 6: Final answer
    x = 28,799.63

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Double scale
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Similar ratio
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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.