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Finding the Fourth Proportional to 7,914.16, 11,859.90 and 4,444.12

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Solution

The fourth proportional to 7,914.16, 11,859.90 and 4,444.12 is: 6,659.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,914.16 : 11,859.90 = 4,444.12 : x
  2. Step 2: Convert to fraction form
    7,914.16/11,859.90 = 4,444.12/x
  3. Step 3: Cross multiply
    7,914.16x = 11,859.90 × 4,444.12
  4. Step 4: Simplify right side
    7,914.16x = 52,706,818.79
  5. Step 5: Solve for x
    x = 52,706,818.79/7,914.16
  6. Step 6: Final answer
    x = 6,659.81

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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.