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Finding the Fourth Proportional to 8,352.10, 12,526.10 and 2,805.32

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Solution

The fourth proportional to 8,352.10, 12,526.10 and 2,805.32 is: 4,207.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,352.10 : 12,526.10 = 2,805.32 : x
  2. Step 2: Convert to fraction form
    8,352.10/12,526.10 = 2,805.32/x
  3. Step 3: Cross multiply
    8,352.10x = 12,526.10 × 2,805.32
  4. Step 4: Simplify right side
    8,352.10x = 35,139,718.85
  5. Step 5: Solve for x
    x = 35,139,718.85/8,352.10
  6. Step 6: Final answer
    x = 4,207.29

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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.