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Finding the Fourth Proportional to 29,156.46, 43,719.15 and 11,393.16

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Solution

The fourth proportional to 29,156.46, 43,719.15 and 11,393.16 is: 17,083.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,156.46 : 43,719.15 = 11,393.16 : x
  2. Step 2: Convert to fraction form
    29,156.46/43,719.15 = 11,393.16/x
  3. Step 3: Cross multiply
    29,156.46x = 43,719.15 × 11,393.16
  4. Step 4: Simplify right side
    29,156.46x = 498,099,271.01
  5. Step 5: Solve for x
    x = 498,099,271.01/29,156.46
  6. Step 6: Final answer
    x = 17,083.67

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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.