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Finding the Fourth Proportional to 8,100.67, 11,178.93 and 4,374.67

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Solution

The fourth proportional to 8,100.67, 11,178.93 and 4,374.67 is: 6,037.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,100.67 : 11,178.93 = 4,374.67 : x
  2. Step 2: Convert to fraction form
    8,100.67/11,178.93 = 4,374.67/x
  3. Step 3: Cross multiply
    8,100.67x = 11,178.93 × 4,374.67
  4. Step 4: Simplify right side
    8,100.67x = 48,904,146.71
  5. Step 5: Solve for x
    x = 48,904,146.71/8,100.67
  6. Step 6: Final answer
    x = 6,037.05

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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.