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Finding the Fourth Proportional to 5,725.60, 8,593.80 and 4,904.80

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Solution

The fourth proportional to 5,725.60, 8,593.80 and 4,904.80 is: 7,361.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,725.60 : 8,593.80 = 4,904.80 : x
  2. Step 2: Convert to fraction form
    5,725.60/8,593.80 = 4,904.80/x
  3. Step 3: Cross multiply
    5,725.60x = 8,593.80 × 4,904.80
  4. Step 4: Simplify right side
    5,725.60x = 42,150,870.24
  5. Step 5: Solve for x
    x = 42,150,870.24/5,725.60
  6. Step 6: Final answer
    x = 7,361.83

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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.