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Finding the Fourth Proportional to 12,842.94, 19,264.13 and 5,917.44

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Solution

The fourth proportional to 12,842.94, 19,264.13 and 5,917.44 is: 8,876.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,842.94 : 19,264.13 = 5,917.44 : x
  2. Step 2: Convert to fraction form
    12,842.94/19,264.13 = 5,917.44/x
  3. Step 3: Cross multiply
    12,842.94x = 19,264.13 × 5,917.44
  4. Step 4: Simplify right side
    12,842.94x = 113,994,303.84
  5. Step 5: Solve for x
    x = 113,994,303.84/12,842.94
  6. Step 6: Final answer
    x = 8,876.03

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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.