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Finding the Fourth Proportional to 8,654.58, 11,933.33 and 7,391.79

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Solution

The fourth proportional to 8,654.58, 11,933.33 and 7,391.79 is: 10,192.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,654.58 : 11,933.33 = 7,391.79 : x
  2. Step 2: Convert to fraction form
    8,654.58/11,933.33 = 7,391.79/x
  3. Step 3: Cross multiply
    8,654.58x = 11,933.33 × 7,391.79
  4. Step 4: Simplify right side
    8,654.58x = 88,208,632.40
  5. Step 5: Solve for x
    x = 88,208,632.40/8,654.58
  6. Step 6: Final answer
    x = 10,192.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.