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Finding the Fourth Proportional to 5,783.16, 8,672.16 and 2,662.40

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Solution

The fourth proportional to 5,783.16, 8,672.16 and 2,662.40 is: 3,992.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,783.16 : 8,672.16 = 2,662.40 : x
  2. Step 2: Convert to fraction form
    5,783.16/8,672.16 = 2,662.40/x
  3. Step 3: Cross multiply
    5,783.16x = 8,672.16 × 2,662.40
  4. Step 4: Simplify right side
    5,783.16x = 23,088,758.78
  5. Step 5: Solve for x
    x = 23,088,758.78/5,783.16
  6. Step 6: Final answer
    x = 3,992.41

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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.