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Finding the Fourth Proportional to 11,586.72, 17,384.43 and 5,349.72

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Solution

The fourth proportional to 11,586.72, 17,384.43 and 5,349.72 is: 8,026.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,586.72 : 17,384.43 = 5,349.72 : x
  2. Step 2: Convert to fraction form
    11,586.72/17,384.43 = 5,349.72/x
  3. Step 3: Cross multiply
    11,586.72x = 17,384.43 × 5,349.72
  4. Step 4: Simplify right side
    11,586.72x = 93,001,832.86
  5. Step 5: Solve for x
    x = 93,001,832.86/11,586.72
  6. Step 6: Final answer
    x = 8,026.59

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1.5x scale

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.