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Finding the Fourth Proportional to 8,586.72, 11,849.73 and 4,810.02

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Solution

The fourth proportional to 8,586.72, 11,849.73 and 4,810.02 is: 6,637.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,586.72 : 11,849.73 = 4,810.02 : x
  2. Step 2: Convert to fraction form
    8,586.72/11,849.73 = 4,810.02/x
  3. Step 3: Cross multiply
    8,586.72x = 11,849.73 × 4,810.02
  4. Step 4: Simplify right side
    8,586.72x = 56,997,438.29
  5. Step 5: Solve for x
    x = 56,997,438.29/8,586.72
  6. Step 6: Final answer
    x = 6,637.86

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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.