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Finding the Fourth Proportional to 6,225.47, 9,328.47 and 3,912.11

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Solution

The fourth proportional to 6,225.47, 9,328.47 and 3,912.11 is: 5,862.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,225.47 : 9,328.47 = 3,912.11 : x
  2. Step 2: Convert to fraction form
    6,225.47/9,328.47 = 3,912.11/x
  3. Step 3: Cross multiply
    6,225.47x = 9,328.47 × 3,912.11
  4. Step 4: Simplify right side
    6,225.47x = 36,494,000.77
  5. Step 5: Solve for x
    x = 36,494,000.77/6,225.47
  6. Step 6: Final answer
    x = 5,862.05

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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.