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Finding the Fourth Proportional to 7,908.08, 10,911.60 and 4,764.44

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Solution

The fourth proportional to 7,908.08, 10,911.60 and 4,764.44 is: 6,573.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,908.08 : 10,911.60 = 4,764.44 : x
  2. Step 2: Convert to fraction form
    7,908.08/10,911.60 = 4,764.44/x
  3. Step 3: Cross multiply
    7,908.08x = 10,911.60 × 4,764.44
  4. Step 4: Simplify right side
    7,908.08x = 51,987,663.50
  5. Step 5: Solve for x
    x = 51,987,663.50/7,908.08
  6. Step 6: Final answer
    x = 6,573.99

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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.