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Finding the Fourth Proportional to 45,447.40, 68,065.29 and 43,870.94

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Solution

The fourth proportional to 45,447.40, 68,065.29 and 43,870.94 is: 65,704.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,447.40 : 68,065.29 = 43,870.94 : x
  2. Step 2: Convert to fraction form
    45,447.40/68,065.29 = 43,870.94/x
  3. Step 3: Cross multiply
    45,447.40x = 68,065.29 × 43,870.94
  4. Step 4: Simplify right side
    45,447.40x = 2,986,087,913.35
  5. Step 5: Solve for x
    x = 2,986,087,913.35/45,447.40
  6. Step 6: Final answer
    x = 65,704.27

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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.