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Finding the Fourth Proportional to 9,575.78, 13,213.05 and 5,798.30

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Solution

The fourth proportional to 9,575.78, 13,213.05 and 5,798.30 is: 8,000.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,575.78 : 13,213.05 = 5,798.30 : x
  2. Step 2: Convert to fraction form
    9,575.78/13,213.05 = 5,798.30/x
  3. Step 3: Cross multiply
    9,575.78x = 13,213.05 × 5,798.30
  4. Step 4: Simplify right side
    9,575.78x = 76,613,227.82
  5. Step 5: Solve for x
    x = 76,613,227.82/9,575.78
  6. Step 6: Final answer
    x = 8,000.73

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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.