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Finding the Fourth Proportional to 46,531.88, 69,797.72 and 13,699.88

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Solution

The fourth proportional to 46,531.88, 69,797.72 and 13,699.88 is: 20,549.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,531.88 : 69,797.72 = 13,699.88 : x
  2. Step 2: Convert to fraction form
    46,531.88/69,797.72 = 13,699.88/x
  3. Step 3: Cross multiply
    46,531.88x = 69,797.72 × 13,699.88
  4. Step 4: Simplify right side
    46,531.88x = 956,220,388.27
  5. Step 5: Solve for x
    x = 956,220,388.27/46,531.88
  6. Step 6: Final answer
    x = 20,549.79

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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.