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Finding the Fourth Proportional to 14,058.09, 21,090.78 and 4,197.36

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Solution

The fourth proportional to 14,058.09, 21,090.78 and 4,197.36 is: 6,297.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,058.09 : 21,090.78 = 4,197.36 : x
  2. Step 2: Convert to fraction form
    14,058.09/21,090.78 = 4,197.36/x
  3. Step 3: Cross multiply
    14,058.09x = 21,090.78 × 4,197.36
  4. Step 4: Simplify right side
    14,058.09x = 88,525,596.34
  5. Step 5: Solve for x
    x = 88,525,596.34/14,058.09
  6. Step 6: Final answer
    x = 6,297.13

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.