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Finding the Fourth Proportional to 8,700.63, 13,040.89 and 4,010.83

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Solution

The fourth proportional to 8,700.63, 13,040.89 and 4,010.83 is: 6,011.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,700.63 : 13,040.89 = 4,010.83 : x
  2. Step 2: Convert to fraction form
    8,700.63/13,040.89 = 4,010.83/x
  3. Step 3: Cross multiply
    8,700.63x = 13,040.89 × 4,010.83
  4. Step 4: Simplify right side
    8,700.63x = 52,304,792.84
  5. Step 5: Solve for x
    x = 52,304,792.84/8,700.63
  6. Step 6: Final answer
    x = 6,011.61

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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.