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Finding the Fourth Proportional to 29,708.80, 44,490.30 and 19,794.40

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Solution

The fourth proportional to 29,708.80, 44,490.30 and 19,794.40 is: 29,643.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,708.80 : 44,490.30 = 19,794.40 : x
  2. Step 2: Convert to fraction form
    29,708.80/44,490.30 = 19,794.40/x
  3. Step 3: Cross multiply
    29,708.80x = 44,490.30 × 19,794.40
  4. Step 4: Simplify right side
    29,708.80x = 880,658,794.32
  5. Step 5: Solve for x
    x = 880,658,794.32/29,708.80
  6. Step 6: Final answer
    x = 29,643.03

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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.