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Finding the Fourth Proportional to 8,703.27, 12,010.77 and 4,724.64

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Solution

The fourth proportional to 8,703.27, 12,010.77 and 4,724.64 is: 6,520.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,703.27 : 12,010.77 = 4,724.64 : x
  2. Step 2: Convert to fraction form
    8,703.27/12,010.77 = 4,724.64/x
  3. Step 3: Cross multiply
    8,703.27x = 12,010.77 × 4,724.64
  4. Step 4: Simplify right side
    8,703.27x = 56,746,564.37
  5. Step 5: Solve for x
    x = 56,746,564.37/8,703.27
  6. Step 6: Final answer
    x = 6,520.14

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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.