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Finding the Fourth Proportional to 5,598.80, 8,404.60 and 3,291.60

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Solution

The fourth proportional to 5,598.80, 8,404.60 and 3,291.60 is: 4,941.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,598.80 : 8,404.60 = 3,291.60 : x
  2. Step 2: Convert to fraction form
    5,598.80/8,404.60 = 3,291.60/x
  3. Step 3: Cross multiply
    5,598.80x = 8,404.60 × 3,291.60
  4. Step 4: Simplify right side
    5,598.80x = 27,664,581.36
  5. Step 5: Solve for x
    x = 27,664,581.36/5,598.80
  6. Step 6: Final answer
    x = 4,941.16

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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.