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Finding the Fourth Proportional to 5,607.60, 8,400.04 and 2,601.40

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Solution

The fourth proportional to 5,607.60, 8,400.04 and 2,601.40 is: 3,896.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,607.60 : 8,400.04 = 2,601.40 : x
  2. Step 2: Convert to fraction form
    5,607.60/8,400.04 = 2,601.40/x
  3. Step 3: Cross multiply
    5,607.60x = 8,400.04 × 2,601.40
  4. Step 4: Simplify right side
    5,607.60x = 21,851,880.37
  5. Step 5: Solve for x
    x = 21,851,880.37/5,607.60
  6. Step 6: Final answer
    x = 3,896.83

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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.