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Finding the Fourth Proportional to 13,798, 20,699.16 and 4,566.16

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Solution

The fourth proportional to 13,798, 20,699.16 and 4,566.16 is: 6,849.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,798 : 20,699.16 = 4,566.16 : x
  2. Step 2: Convert to fraction form
    13,798/20,699.16 = 4,566.16/x
  3. Step 3: Cross multiply
    13,798x = 20,699.16 × 4,566.16
  4. Step 4: Simplify right side
    13,798x = 94,515,676.43
  5. Step 5: Solve for x
    x = 94,515,676.43/13,798
  6. Step 6: Final answer
    x = 6,849.95

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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.