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Finding the Fourth Proportional to 8,249.66, 12,376.40 and 2,703.50

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Solution

The fourth proportional to 8,249.66, 12,376.40 and 2,703.50 is: 4,055.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,249.66 : 12,376.40 = 2,703.50 : x
  2. Step 2: Convert to fraction form
    8,249.66/12,376.40 = 2,703.50/x
  3. Step 3: Cross multiply
    8,249.66x = 12,376.40 × 2,703.50
  4. Step 4: Simplify right side
    8,249.66x = 33,459,522.00
  5. Step 5: Solve for x
    x = 33,459,522.00/8,249.66
  6. Step 6: Final answer
    x = 4,055.87

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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.