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Finding the Fourth Proportional to 5,784.92, 8,679.20 and 1,888.41

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Solution

The fourth proportional to 5,784.92, 8,679.20 and 1,888.41 is: 2,833.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,784.92 : 8,679.20 = 1,888.41 : x
  2. Step 2: Convert to fraction form
    5,784.92/8,679.20 = 1,888.41/x
  3. Step 3: Cross multiply
    5,784.92x = 8,679.20 × 1,888.41
  4. Step 4: Simplify right side
    5,784.92x = 16,389,888.07
  5. Step 5: Solve for x
    x = 16,389,888.07/5,784.92
  6. Step 6: Final answer
    x = 2,833.21

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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.