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Finding the Fourth Proportional to 29,959.44, 44,944.92 and 11,490

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Solution

The fourth proportional to 29,959.44, 44,944.92 and 11,490 is: 17,237.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,959.44 : 44,944.92 = 11,490 : x
  2. Step 2: Convert to fraction form
    29,959.44/44,944.92 = 11,490/x
  3. Step 3: Cross multiply
    29,959.44x = 44,944.92 × 11,490
  4. Step 4: Simplify right side
    29,959.44x = 516,417,130.80
  5. Step 5: Solve for x
    x = 516,417,130.80/29,959.44
  6. Step 6: Final answer
    x = 17,237.21

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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.