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Finding the Fourth Proportional to 43,315.94, 64,935.02 and 15,594.50

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Solution

The fourth proportional to 43,315.94, 64,935.02 and 15,594.50 is: 23,377.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,315.94 : 64,935.02 = 15,594.50 : x
  2. Step 2: Convert to fraction form
    43,315.94/64,935.02 = 15,594.50/x
  3. Step 3: Cross multiply
    43,315.94x = 64,935.02 × 15,594.50
  4. Step 4: Simplify right side
    43,315.94x = 1,012,629,169.39
  5. Step 5: Solve for x
    x = 1,012,629,169.39/43,315.94
  6. Step 6: Final answer
    x = 23,377.75

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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.