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Finding the Fourth Proportional to 7,670.08, 11,505.88 and 3,052

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Solution

The fourth proportional to 7,670.08, 11,505.88 and 3,052 is: 4,578.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,670.08 : 11,505.88 = 3,052 : x
  2. Step 2: Convert to fraction form
    7,670.08/11,505.88 = 3,052/x
  3. Step 3: Cross multiply
    7,670.08x = 11,505.88 × 3,052
  4. Step 4: Simplify right side
    7,670.08x = 35,115,945.76
  5. Step 5: Solve for x
    x = 35,115,945.76/7,670.08
  6. Step 6: Final answer
    x = 4,578.30

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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.