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Finding the Fourth Proportional to 5,938.80, 8,915.40 and 5,895.60

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Solution

The fourth proportional to 5,938.80, 8,915.40 and 5,895.60 is: 8,850.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,938.80 : 8,915.40 = 5,895.60 : x
  2. Step 2: Convert to fraction form
    5,938.80/8,915.40 = 5,895.60/x
  3. Step 3: Cross multiply
    5,938.80x = 8,915.40 × 5,895.60
  4. Step 4: Simplify right side
    5,938.80x = 52,561,632.24
  5. Step 5: Solve for x
    x = 52,561,632.24/5,938.80
  6. Step 6: Final answer
    x = 8,850.55

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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.