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Finding the Fourth Proportional to 6,618.15, 9,966.85 and 6,027.66

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Solution

The fourth proportional to 6,618.15, 9,966.85 and 6,027.66 is: 9,077.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,618.15 : 9,966.85 = 6,027.66 : x
  2. Step 2: Convert to fraction form
    6,618.15/9,966.85 = 6,027.66/x
  3. Step 3: Cross multiply
    6,618.15x = 9,966.85 × 6,027.66
  4. Step 4: Simplify right side
    6,618.15x = 60,076,752.93
  5. Step 5: Solve for x
    x = 60,076,752.93/6,618.15
  6. Step 6: Final answer
    x = 9,077.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.