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Finding the Fourth Proportional to 8,786, 12,125.04 and 5,060

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Solution

The fourth proportional to 8,786, 12,125.04 and 5,060 is: 6,983.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,786 : 12,125.04 = 5,060 : x
  2. Step 2: Convert to fraction form
    8,786/12,125.04 = 5,060/x
  3. Step 3: Cross multiply
    8,786x = 12,125.04 × 5,060
  4. Step 4: Simplify right side
    8,786x = 61,352,702.40
  5. Step 5: Solve for x
    x = 61,352,702.40/8,786
  6. Step 6: Final answer
    x = 6,983.01

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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.