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Finding the Fourth Proportional to 12,663.15, 18,966.16 and 6,094.25

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Solution

The fourth proportional to 12,663.15, 18,966.16 and 6,094.25 is: 9,127.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,663.15 : 18,966.16 = 6,094.25 : x
  2. Step 2: Convert to fraction form
    12,663.15/18,966.16 = 6,094.25/x
  3. Step 3: Cross multiply
    12,663.15x = 18,966.16 × 6,094.25
  4. Step 4: Simplify right side
    12,663.15x = 115,584,520.58
  5. Step 5: Solve for x
    x = 115,584,520.58/12,663.15
  6. Step 6: Final answer
    x = 9,127.63

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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.