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Finding the Fourth Proportional to 48,526, 66,969 and 29,418.88

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Solution

The fourth proportional to 48,526, 66,969 and 29,418.88 is: 40,599.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,526 : 66,969 = 29,418.88 : x
  2. Step 2: Convert to fraction form
    48,526/66,969 = 29,418.88/x
  3. Step 3: Cross multiply
    48,526x = 66,969 × 29,418.88
  4. Step 4: Simplify right side
    48,526x = 1,970,152,974.72
  5. Step 5: Solve for x
    x = 1,970,152,974.72/48,526
  6. Step 6: Final answer
    x = 40,599.95

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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.