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Finding the Fourth Proportional to 29,393, 40,562.36 and 16,145

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Solution

The fourth proportional to 29,393, 40,562.36 and 16,145 is: 22,280.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,393 : 40,562.36 = 16,145 : x
  2. Step 2: Convert to fraction form
    29,393/40,562.36 = 16,145/x
  3. Step 3: Cross multiply
    29,393x = 40,562.36 × 16,145
  4. Step 4: Simplify right side
    29,393x = 654,879,302.20
  5. Step 5: Solve for x
    x = 654,879,302.20/29,393
  6. Step 6: Final answer
    x = 22,280.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.