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Finding the Fourth Proportional to 8,697.66, 12,015.81 and 6,054.18

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Solution

The fourth proportional to 8,697.66, 12,015.81 and 6,054.18 is: 8,363.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,697.66 : 12,015.81 = 6,054.18 : x
  2. Step 2: Convert to fraction form
    8,697.66/12,015.81 = 6,054.18/x
  3. Step 3: Cross multiply
    8,697.66x = 12,015.81 × 6,054.18
  4. Step 4: Simplify right side
    8,697.66x = 72,745,876.59
  5. Step 5: Solve for x
    x = 72,745,876.59/8,697.66
  6. Step 6: Final answer
    x = 8,363.84

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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.