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Finding the Fourth Proportional to 2,665.60, 4,007.04 and 2,392.96

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Solution

The fourth proportional to 2,665.60, 4,007.04 and 2,392.96 is: 3,597.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,665.60 : 4,007.04 = 2,392.96 : x
  2. Step 2: Convert to fraction form
    2,665.60/4,007.04 = 2,392.96/x
  3. Step 3: Cross multiply
    2,665.60x = 4,007.04 × 2,392.96
  4. Step 4: Simplify right side
    2,665.60x = 9,588,686.44
  5. Step 5: Solve for x
    x = 9,588,686.44/2,665.60
  6. Step 6: Final answer
    x = 3,597.20

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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.