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Finding the Fourth Proportional to 8,738.66, 12,060.04 and 4,963.01

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Solution

The fourth proportional to 8,738.66, 12,060.04 and 4,963.01 is: 6,849.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,738.66 : 12,060.04 = 4,963.01 : x
  2. Step 2: Convert to fraction form
    8,738.66/12,060.04 = 4,963.01/x
  3. Step 3: Cross multiply
    8,738.66x = 12,060.04 × 4,963.01
  4. Step 4: Simplify right side
    8,738.66x = 59,854,099.12
  5. Step 5: Solve for x
    x = 59,854,099.12/8,738.66
  6. Step 6: Final answer
    x = 6,849.35

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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.