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Finding the Fourth Proportional to 35,845.93, 53,768.78 and 9,191.89

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Solution

The fourth proportional to 35,845.93, 53,768.78 and 9,191.89 is: 13,787.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,845.93 : 53,768.78 = 9,191.89 : x
  2. Step 2: Convert to fraction form
    35,845.93/53,768.78 = 9,191.89/x
  3. Step 3: Cross multiply
    35,845.93x = 53,768.78 × 9,191.89
  4. Step 4: Simplify right side
    35,845.93x = 494,236,665.23
  5. Step 5: Solve for x
    x = 494,236,665.23/35,845.93
  6. Step 6: Final answer
    x = 13,787.80

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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.