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Finding the Fourth Proportional to 44,186.70, 65,780.30 and 43,924

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Solution

The fourth proportional to 44,186.70, 65,780.30 and 43,924 is: 65,389.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,186.70 : 65,780.30 = 43,924 : x
  2. Step 2: Convert to fraction form
    44,186.70/65,780.30 = 43,924/x
  3. Step 3: Cross multiply
    44,186.70x = 65,780.30 × 43,924
  4. Step 4: Simplify right side
    44,186.70x = 2,889,333,897.20
  5. Step 5: Solve for x
    x = 2,889,333,897.20/44,186.70
  6. Step 6: Final answer
    x = 65,389.22

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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.