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Finding the Fourth Proportional to 5,584.72, 8,373.63 and 1,886.60

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Solution

The fourth proportional to 5,584.72, 8,373.63 and 1,886.60 is: 2,828.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,584.72 : 8,373.63 = 1,886.60 : x
  2. Step 2: Convert to fraction form
    5,584.72/8,373.63 = 1,886.60/x
  3. Step 3: Cross multiply
    5,584.72x = 8,373.63 × 1,886.60
  4. Step 4: Simplify right side
    5,584.72x = 15,797,648.49
  5. Step 5: Solve for x
    x = 15,797,648.49/5,584.72
  6. Step 6: Final answer
    x = 2,828.73

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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.