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Finding the Fourth Proportional to 50,969.73, 76,454.64 and 19,804.98

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Solution

The fourth proportional to 50,969.73, 76,454.64 and 19,804.98 is: 29,707.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,969.73 : 76,454.64 = 19,804.98 : x
  2. Step 2: Convert to fraction form
    50,969.73/76,454.64 = 19,804.98/x
  3. Step 3: Cross multiply
    50,969.73x = 76,454.64 × 19,804.98
  4. Step 4: Simplify right side
    50,969.73x = 1,514,182,616.11
  5. Step 5: Solve for x
    x = 1,514,182,616.11/50,969.73
  6. Step 6: Final answer
    x = 29,707.49

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1.5x scale

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.