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Finding the Fourth Proportional to 19,605.98, 27,058.58 and 11,648.22

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Solution

The fourth proportional to 19,605.98, 27,058.58 and 11,648.22 is: 16,075.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,605.98 : 27,058.58 = 11,648.22 : x
  2. Step 2: Convert to fraction form
    19,605.98/27,058.58 = 11,648.22/x
  3. Step 3: Cross multiply
    19,605.98x = 27,058.58 × 11,648.22
  4. Step 4: Simplify right side
    19,605.98x = 315,184,292.73
  5. Step 5: Solve for x
    x = 315,184,292.73/19,605.98
  6. Step 6: Final answer
    x = 16,075.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.