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Finding the Fourth Proportional to 5,903.16, 8,850.90 and 3,307.80

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Solution

The fourth proportional to 5,903.16, 8,850.90 and 3,307.80 is: 4,959.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,903.16 : 8,850.90 = 3,307.80 : x
  2. Step 2: Convert to fraction form
    5,903.16/8,850.90 = 3,307.80/x
  3. Step 3: Cross multiply
    5,903.16x = 8,850.90 × 3,307.80
  4. Step 4: Simplify right side
    5,903.16x = 29,277,007.02
  5. Step 5: Solve for x
    x = 29,277,007.02/5,903.16
  6. Step 6: Final answer
    x = 4,959.55

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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.