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Finding the Fourth Proportional to 10,893.92, 16,342.92 and 4,653.92

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Solution

The fourth proportional to 10,893.92, 16,342.92 and 4,653.92 is: 6,981.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,893.92 : 16,342.92 = 4,653.92 : x
  2. Step 2: Convert to fraction form
    10,893.92/16,342.92 = 4,653.92/x
  3. Step 3: Cross multiply
    10,893.92x = 16,342.92 × 4,653.92
  4. Step 4: Simplify right side
    10,893.92x = 76,058,642.25
  5. Step 5: Solve for x
    x = 76,058,642.25/10,893.92
  6. Step 6: Final answer
    x = 6,981.75

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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.