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Finding the Fourth Proportional to 5,994.88, 8,272.80 and 3,342.40

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Solution

The fourth proportional to 5,994.88, 8,272.80 and 3,342.40 is: 4,612.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,994.88 : 8,272.80 = 3,342.40 : x
  2. Step 2: Convert to fraction form
    5,994.88/8,272.80 = 3,342.40/x
  3. Step 3: Cross multiply
    5,994.88x = 8,272.80 × 3,342.40
  4. Step 4: Simplify right side
    5,994.88x = 27,651,006.72
  5. Step 5: Solve for x
    x = 27,651,006.72/5,994.88
  6. Step 6: Final answer
    x = 4,612.44

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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.