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Finding the Fourth Proportional to 14,244.98, 21,372.21 and 8,973.90

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Solution

The fourth proportional to 14,244.98, 21,372.21 and 8,973.90 is: 13,463.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,244.98 : 21,372.21 = 8,973.90 : x
  2. Step 2: Convert to fraction form
    14,244.98/21,372.21 = 8,973.90/x
  3. Step 3: Cross multiply
    14,244.98x = 21,372.21 × 8,973.90
  4. Step 4: Simplify right side
    14,244.98x = 191,792,075.32
  5. Step 5: Solve for x
    x = 191,792,075.32/14,244.98
  6. Step 6: Final answer
    x = 13,463.84

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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.