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Finding the Fourth Proportional to 6,598.60, 9,894.30 and 2,213.80

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Solution

The fourth proportional to 6,598.60, 9,894.30 and 2,213.80 is: 3,319.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,598.60 : 9,894.30 = 2,213.80 : x
  2. Step 2: Convert to fraction form
    6,598.60/9,894.30 = 2,213.80/x
  3. Step 3: Cross multiply
    6,598.60x = 9,894.30 × 2,213.80
  4. Step 4: Simplify right side
    6,598.60x = 21,904,001.34
  5. Step 5: Solve for x
    x = 21,904,001.34/6,598.60
  6. Step 6: Final answer
    x = 3,319.49

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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.