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Finding the Fourth Proportional to 5,775.60, 8,664.24 and 2,490.24

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Solution

The fourth proportional to 5,775.60, 8,664.24 and 2,490.24 is: 3,735.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,775.60 : 8,664.24 = 2,490.24 : x
  2. Step 2: Convert to fraction form
    5,775.60/8,664.24 = 2,490.24/x
  3. Step 3: Cross multiply
    5,775.60x = 8,664.24 × 2,490.24
  4. Step 4: Simplify right side
    5,775.60x = 21,576,037.02
  5. Step 5: Solve for x
    x = 21,576,037.02/5,775.60
  6. Step 6: Final answer
    x = 3,735.72

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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.