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Finding the Fourth Proportional to 8,682.70, 13,024.63 and 3,417.30

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Solution

The fourth proportional to 8,682.70, 13,024.63 and 3,417.30 is: 5,126.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,682.70 : 13,024.63 = 3,417.30 : x
  2. Step 2: Convert to fraction form
    8,682.70/13,024.63 = 3,417.30/x
  3. Step 3: Cross multiply
    8,682.70x = 13,024.63 × 3,417.30
  4. Step 4: Simplify right side
    8,682.70x = 44,509,068.10
  5. Step 5: Solve for x
    x = 44,509,068.10/8,682.70
  6. Step 6: Final answer
    x = 5,126.18

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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.