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Finding the Fourth Proportional to 9,068.10, 13,606.20 and 4,135.20

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Solution

The fourth proportional to 9,068.10, 13,606.20 and 4,135.20 is: 6,204.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,068.10 : 13,606.20 = 4,135.20 : x
  2. Step 2: Convert to fraction form
    9,068.10/13,606.20 = 4,135.20/x
  3. Step 3: Cross multiply
    9,068.10x = 13,606.20 × 4,135.20
  4. Step 4: Simplify right side
    9,068.10x = 56,264,358.24
  5. Step 5: Solve for x
    x = 56,264,358.24/9,068.10
  6. Step 6: Final answer
    x = 6,204.65

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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.