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Finding the Fourth Proportional to 50,699.72, 76,053.93 and 13,259.73

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Solution

The fourth proportional to 50,699.72, 76,053.93 and 13,259.73 is: 19,890.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,699.72 : 76,053.93 = 13,259.73 : x
  2. Step 2: Convert to fraction form
    50,699.72/76,053.93 = 13,259.73/x
  3. Step 3: Cross multiply
    50,699.72x = 76,053.93 × 13,259.73
  4. Step 4: Simplify right side
    50,699.72x = 1,008,454,577.24
  5. Step 5: Solve for x
    x = 1,008,454,577.24/50,699.72
  6. Step 6: Final answer
    x = 19,890.73

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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.