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Finding the Fourth Proportional to 8,295.99, 12,445.20 and 3,031.26

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Solution

The fourth proportional to 8,295.99, 12,445.20 and 3,031.26 is: 4,547.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,295.99 : 12,445.20 = 3,031.26 : x
  2. Step 2: Convert to fraction form
    8,295.99/12,445.20 = 3,031.26/x
  3. Step 3: Cross multiply
    8,295.99x = 12,445.20 × 3,031.26
  4. Step 4: Simplify right side
    8,295.99x = 37,724,636.95
  5. Step 5: Solve for x
    x = 37,724,636.95/8,295.99
  6. Step 6: Final answer
    x = 4,547.33

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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.