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Finding the Fourth Proportional to 28,913.33, 43,340.44 and 16,406.93

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Solution

The fourth proportional to 28,913.33, 43,340.44 and 16,406.93 is: 24,593.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,913.33 : 43,340.44 = 16,406.93 : x
  2. Step 2: Convert to fraction form
    28,913.33/43,340.44 = 16,406.93/x
  3. Step 3: Cross multiply
    28,913.33x = 43,340.44 × 16,406.93
  4. Step 4: Simplify right side
    28,913.33x = 711,083,565.25
  5. Step 5: Solve for x
    x = 711,083,565.25/28,913.33
  6. Step 6: Final answer
    x = 24,593.63

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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.