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Finding the Fourth Proportional to 6,630.95, 9,152.19 and 5,192.46

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Solution

The fourth proportional to 6,630.95, 9,152.19 and 5,192.46 is: 7,166.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,630.95 : 9,152.19 = 5,192.46 : x
  2. Step 2: Convert to fraction form
    6,630.95/9,152.19 = 5,192.46/x
  3. Step 3: Cross multiply
    6,630.95x = 9,152.19 × 5,192.46
  4. Step 4: Simplify right side
    6,630.95x = 47,522,380.49
  5. Step 5: Solve for x
    x = 47,522,380.49/6,630.95
  6. Step 6: Final answer
    x = 7,166.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.