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Finding the Fourth Proportional to 29,810.10, 44,726.40 and 18,704.40

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Solution

The fourth proportional to 29,810.10, 44,726.40 and 18,704.40 is: 28,063.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,810.10 : 44,726.40 = 18,704.40 : x
  2. Step 2: Convert to fraction form
    29,810.10/44,726.40 = 18,704.40/x
  3. Step 3: Cross multiply
    29,810.10x = 44,726.40 × 18,704.40
  4. Step 4: Simplify right side
    29,810.10x = 836,580,476.16
  5. Step 5: Solve for x
    x = 836,580,476.16/29,810.10
  6. Step 6: Final answer
    x = 28,063.66

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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.