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Finding the Fourth Proportional to 62,787, 94,182.42 and 19,011

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Solution

The fourth proportional to 62,787, 94,182.42 and 19,011 is: 28,517.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,787 : 94,182.42 = 19,011 : x
  2. Step 2: Convert to fraction form
    62,787/94,182.42 = 19,011/x
  3. Step 3: Cross multiply
    62,787x = 94,182.42 × 19,011
  4. Step 4: Simplify right side
    62,787x = 1,790,501,986.62
  5. Step 5: Solve for x
    x = 1,790,501,986.62/62,787
  6. Step 6: Final answer
    x = 28,517.08

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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.