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Finding the Fourth Proportional to 13,314.66, 19,973.88 and 7,073.04

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Solution

The fourth proportional to 13,314.66, 19,973.88 and 7,073.04 is: 10,610.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,314.66 : 19,973.88 = 7,073.04 : x
  2. Step 2: Convert to fraction form
    13,314.66/19,973.88 = 7,073.04/x
  3. Step 3: Cross multiply
    13,314.66x = 19,973.88 × 7,073.04
  4. Step 4: Simplify right side
    13,314.66x = 141,276,052.20
  5. Step 5: Solve for x
    x = 141,276,052.20/13,314.66
  6. Step 6: Final answer
    x = 10,610.56

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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.