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Finding the Fourth Proportional to 40,759.70, 61,148.75 and 14,464.44

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Solution

The fourth proportional to 40,759.70, 61,148.75 and 14,464.44 is: 21,699.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,759.70 : 61,148.75 = 14,464.44 : x
  2. Step 2: Convert to fraction form
    40,759.70/61,148.75 = 14,464.44/x
  3. Step 3: Cross multiply
    40,759.70x = 61,148.75 × 14,464.44
  4. Step 4: Simplify right side
    40,759.70x = 884,482,353.13
  5. Step 5: Solve for x
    x = 884,482,353.13/40,759.70
  6. Step 6: Final answer
    x = 21,699.93

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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.