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Finding the Fourth Proportional to 37,260, 51,418.96 and 20,492.64

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Solution

The fourth proportional to 37,260, 51,418.96 and 20,492.64 is: 28,279.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,260 : 51,418.96 = 20,492.64 : x
  2. Step 2: Convert to fraction form
    37,260/51,418.96 = 20,492.64/x
  3. Step 3: Cross multiply
    37,260x = 51,418.96 × 20,492.64
  4. Step 4: Simplify right side
    37,260x = 1,053,710,236.45
  5. Step 5: Solve for x
    x = 1,053,710,236.45/37,260
  6. Step 6: Final answer
    x = 28,279.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.