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Finding the Fourth Proportional to 8,463.88, 11,679.06 and 4,737.88

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Solution

The fourth proportional to 8,463.88, 11,679.06 and 4,737.88 is: 6,537.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,463.88 : 11,679.06 = 4,737.88 : x
  2. Step 2: Convert to fraction form
    8,463.88/11,679.06 = 4,737.88/x
  3. Step 3: Cross multiply
    8,463.88x = 11,679.06 × 4,737.88
  4. Step 4: Simplify right side
    8,463.88x = 55,333,984.79
  5. Step 5: Solve for x
    x = 55,333,984.79/8,463.88
  6. Step 6: Final answer
    x = 6,537.66

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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.