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Finding the Fourth Proportional to 29,965, 44,719.63 and 26,643.60

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Solution

The fourth proportional to 29,965, 44,719.63 and 26,643.60 is: 39,762.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,965 : 44,719.63 = 26,643.60 : x
  2. Step 2: Convert to fraction form
    29,965/44,719.63 = 26,643.60/x
  3. Step 3: Cross multiply
    29,965x = 44,719.63 × 26,643.60
  4. Step 4: Simplify right side
    29,965x = 1,191,491,933.87
  5. Step 5: Solve for x
    x = 1,191,491,933.87/29,965
  6. Step 6: Final answer
    x = 39,762.79

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.