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Finding the Fourth Proportional to 4,722.62, 6,518.97 and 4,056.80

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Solution

The fourth proportional to 4,722.62, 6,518.97 and 4,056.80 is: 5,599.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,722.62 : 6,518.97 = 4,056.80 : x
  2. Step 2: Convert to fraction form
    4,722.62/6,518.97 = 4,056.80/x
  3. Step 3: Cross multiply
    4,722.62x = 6,518.97 × 4,056.80
  4. Step 4: Simplify right side
    4,722.62x = 26,446,157.50
  5. Step 5: Solve for x
    x = 26,446,157.50/4,722.62
  6. Step 6: Final answer
    x = 5,599.89

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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.