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Finding the Fourth Proportional to 5,690.67, 8,532.11 and 2,915.07

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Solution

The fourth proportional to 5,690.67, 8,532.11 and 2,915.07 is: 4,370.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,690.67 : 8,532.11 = 2,915.07 : x
  2. Step 2: Convert to fraction form
    5,690.67/8,532.11 = 2,915.07/x
  3. Step 3: Cross multiply
    5,690.67x = 8,532.11 × 2,915.07
  4. Step 4: Simplify right side
    5,690.67x = 24,871,683.32
  5. Step 5: Solve for x
    x = 24,871,683.32/5,690.67
  6. Step 6: Final answer
    x = 4,370.61

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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.