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Finding the Fourth Proportional to 5,783.40, 8,672.54 and 2,662.65

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Solution

The fourth proportional to 5,783.40, 8,672.54 and 2,662.65 is: 3,992.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,783.40 : 8,672.54 = 2,662.65 : x
  2. Step 2: Convert to fraction form
    5,783.40/8,672.54 = 2,662.65/x
  3. Step 3: Cross multiply
    5,783.40x = 8,672.54 × 2,662.65
  4. Step 4: Simplify right side
    5,783.40x = 23,091,925.32
  5. Step 5: Solve for x
    x = 23,091,925.32/5,783.40
  6. Step 6: Final answer
    x = 3,992.79

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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.