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Finding the Fourth Proportional to 29,360, 44,040.40 and 10,892

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Solution

The fourth proportional to 29,360, 44,040.40 and 10,892 is: 16,338.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,360 : 44,040.40 = 10,892 : x
  2. Step 2: Convert to fraction form
    29,360/44,040.40 = 10,892/x
  3. Step 3: Cross multiply
    29,360x = 44,040.40 × 10,892
  4. Step 4: Simplify right side
    29,360x = 479,688,036.80
  5. Step 5: Solve for x
    x = 479,688,036.80/29,360
  6. Step 6: Final answer
    x = 16,338.15

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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.