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Finding the Fourth Proportional to 5,885.41, 8,829.65 and 2,188.71

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Solution

The fourth proportional to 5,885.41, 8,829.65 and 2,188.71 is: 3,283.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,885.41 : 8,829.65 = 2,188.71 : x
  2. Step 2: Convert to fraction form
    5,885.41/8,829.65 = 2,188.71/x
  3. Step 3: Cross multiply
    5,885.41x = 8,829.65 × 2,188.71
  4. Step 4: Simplify right side
    5,885.41x = 19,325,543.25
  5. Step 5: Solve for x
    x = 19,325,543.25/5,885.41
  6. Step 6: Final answer
    x = 3,283.64

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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.