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Finding the Fourth Proportional to 8,893.94, 12,273.29 and 5,118.32

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Solution

The fourth proportional to 8,893.94, 12,273.29 and 5,118.32 is: 7,063.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,893.94 : 12,273.29 = 5,118.32 : x
  2. Step 2: Convert to fraction form
    8,893.94/12,273.29 = 5,118.32/x
  3. Step 3: Cross multiply
    8,893.94x = 12,273.29 × 5,118.32
  4. Step 4: Simplify right side
    8,893.94x = 62,818,634.87
  5. Step 5: Solve for x
    x = 62,818,634.87/8,893.94
  6. Step 6: Final answer
    x = 7,063.08

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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.