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Finding the Fourth Proportional to 12,062.70, 18,096.48 and 4,276.98

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Solution

The fourth proportional to 12,062.70, 18,096.48 and 4,276.98 is: 6,416.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,062.70 : 18,096.48 = 4,276.98 : x
  2. Step 2: Convert to fraction form
    12,062.70/18,096.48 = 4,276.98/x
  3. Step 3: Cross multiply
    12,062.70x = 18,096.48 × 4,276.98
  4. Step 4: Simplify right side
    12,062.70x = 77,398,283.03
  5. Step 5: Solve for x
    x = 77,398,283.03/12,062.70
  6. Step 6: Final answer
    x = 6,416.33

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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.