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Finding the Fourth Proportional to 4,909.88, 7,364.88 and 2,722.88

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Solution

The fourth proportional to 4,909.88, 7,364.88 and 2,722.88 is: 4,084.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,909.88 : 7,364.88 = 2,722.88 : x
  2. Step 2: Convert to fraction form
    4,909.88/7,364.88 = 2,722.88/x
  3. Step 3: Cross multiply
    4,909.88x = 7,364.88 × 2,722.88
  4. Step 4: Simplify right side
    4,909.88x = 20,053,647.63
  5. Step 5: Solve for x
    x = 20,053,647.63/4,909.88
  6. Step 6: Final answer
    x = 4,084.35

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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.