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Finding the Fourth Proportional to 40,391.66, 60,587.93 and 14,096.50

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Solution

The fourth proportional to 40,391.66, 60,587.93 and 14,096.50 is: 21,144.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,391.66 : 60,587.93 = 14,096.50 : x
  2. Step 2: Convert to fraction form
    40,391.66/60,587.93 = 14,096.50/x
  3. Step 3: Cross multiply
    40,391.66x = 60,587.93 × 14,096.50
  4. Step 4: Simplify right side
    40,391.66x = 854,077,639.02
  5. Step 5: Solve for x
    x = 854,077,639.02/40,391.66
  6. Step 6: Final answer
    x = 21,144.90

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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.