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Finding the Fourth Proportional to 8,706.56, 13,062.04 and 4,029.93

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Solution

The fourth proportional to 8,706.56, 13,062.04 and 4,029.93 is: 6,045.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,706.56 : 13,062.04 = 4,029.93 : x
  2. Step 2: Convert to fraction form
    8,706.56/13,062.04 = 4,029.93/x
  3. Step 3: Cross multiply
    8,706.56x = 13,062.04 × 4,029.93
  4. Step 4: Simplify right side
    8,706.56x = 52,639,106.86
  5. Step 5: Solve for x
    x = 52,639,106.86/8,706.56
  6. Step 6: Final answer
    x = 6,045.91

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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.