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Finding the Fourth Proportional to 6,887.93, 9,505.98 and 3,904.73

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Solution

The fourth proportional to 6,887.93, 9,505.98 and 3,904.73 is: 5,388.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,887.93 : 9,505.98 = 3,904.73 : x
  2. Step 2: Convert to fraction form
    6,887.93/9,505.98 = 3,904.73/x
  3. Step 3: Cross multiply
    6,887.93x = 9,505.98 × 3,904.73
  4. Step 4: Simplify right side
    6,887.93x = 37,118,285.29
  5. Step 5: Solve for x
    x = 37,118,285.29/6,887.93
  6. Step 6: Final answer
    x = 5,388.89

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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.