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Finding the Fourth Proportional to 12,062.44, 16,647.06 and 8,085.16

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Solution

The fourth proportional to 12,062.44, 16,647.06 and 8,085.16 is: 11,158.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,062.44 : 16,647.06 = 8,085.16 : x
  2. Step 2: Convert to fraction form
    12,062.44/16,647.06 = 8,085.16/x
  3. Step 3: Cross multiply
    12,062.44x = 16,647.06 × 8,085.16
  4. Step 4: Simplify right side
    12,062.44x = 134,594,143.63
  5. Step 5: Solve for x
    x = 134,594,143.63/12,062.44
  6. Step 6: Final answer
    x = 11,158.12

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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.