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Finding the Fourth Proportional to 48,146.80, 66,441.34 and 26,636

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Solution

The fourth proportional to 48,146.80, 66,441.34 and 26,636 is: 36,756.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,146.80 : 66,441.34 = 26,636 : x
  2. Step 2: Convert to fraction form
    48,146.80/66,441.34 = 26,636/x
  3. Step 3: Cross multiply
    48,146.80x = 66,441.34 × 26,636
  4. Step 4: Simplify right side
    48,146.80x = 1,769,731,532.24
  5. Step 5: Solve for x
    x = 1,769,731,532.24/48,146.80
  6. Step 6: Final answer
    x = 36,756.99

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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.