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Finding the Fourth Proportional to 30,791.94, 46,174.05 and 13,018.92

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Solution

The fourth proportional to 30,791.94, 46,174.05 and 13,018.92 is: 19,522.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,791.94 : 46,174.05 = 13,018.92 : x
  2. Step 2: Convert to fraction form
    30,791.94/46,174.05 = 13,018.92/x
  3. Step 3: Cross multiply
    30,791.94x = 46,174.05 × 13,018.92
  4. Step 4: Simplify right side
    30,791.94x = 601,136,263.03
  5. Step 5: Solve for x
    x = 601,136,263.03/30,791.94
  6. Step 6: Final answer
    x = 19,522.52

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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.