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Finding the Fourth Proportional to 7,893.58, 11,842.74 and 2,347.12

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Solution

The fourth proportional to 7,893.58, 11,842.74 and 2,347.12 is: 3,521.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,893.58 : 11,842.74 = 2,347.12 : x
  2. Step 2: Convert to fraction form
    7,893.58/11,842.74 = 2,347.12/x
  3. Step 3: Cross multiply
    7,893.58x = 11,842.74 × 2,347.12
  4. Step 4: Simplify right side
    7,893.58x = 27,796,331.91
  5. Step 5: Solve for x
    x = 27,796,331.91/7,893.58
  6. Step 6: Final answer
    x = 3,521.38

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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.