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Finding the Fourth Proportional to 17,445.74, 26,164.65 and 4,965.50

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Solution

The fourth proportional to 17,445.74, 26,164.65 and 4,965.50 is: 7,447.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,445.74 : 26,164.65 = 4,965.50 : x
  2. Step 2: Convert to fraction form
    17,445.74/26,164.65 = 4,965.50/x
  3. Step 3: Cross multiply
    17,445.74x = 26,164.65 × 4,965.50
  4. Step 4: Simplify right side
    17,445.74x = 129,920,569.58
  5. Step 5: Solve for x
    x = 129,920,569.58/17,445.74
  6. Step 6: Final answer
    x = 7,447.12

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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.