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Finding the Fourth Proportional to 7,377.66, 11,066.58 and 4,297.50

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Solution

The fourth proportional to 7,377.66, 11,066.58 and 4,297.50 is: 6,446.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,377.66 : 11,066.58 = 4,297.50 : x
  2. Step 2: Convert to fraction form
    7,377.66/11,066.58 = 4,297.50/x
  3. Step 3: Cross multiply
    7,377.66x = 11,066.58 × 4,297.50
  4. Step 4: Simplify right side
    7,377.66x = 47,558,627.55
  5. Step 5: Solve for x
    x = 47,558,627.55/7,377.66
  6. Step 6: Final answer
    x = 6,446.30

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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.