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Finding the Fourth Proportional to 60,684.63, 91,026.81 and 16,311.38

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Solution

The fourth proportional to 60,684.63, 91,026.81 and 16,311.38 is: 24,467.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,684.63 : 91,026.81 = 16,311.38 : x
  2. Step 2: Convert to fraction form
    60,684.63/91,026.81 = 16,311.38/x
  3. Step 3: Cross multiply
    60,684.63x = 91,026.81 × 16,311.38
  4. Step 4: Simplify right side
    60,684.63x = 1,484,772,888.10
  5. Step 5: Solve for x
    x = 1,484,772,888.10/60,684.63
  6. Step 6: Final answer
    x = 24,467.03

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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.