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Finding the Fourth Proportional to 14,133.05, 21,200.04 and 7,109.24

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Solution

The fourth proportional to 14,133.05, 21,200.04 and 7,109.24 is: 10,664.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,133.05 : 21,200.04 = 7,109.24 : x
  2. Step 2: Convert to fraction form
    14,133.05/21,200.04 = 7,109.24/x
  3. Step 3: Cross multiply
    14,133.05x = 21,200.04 × 7,109.24
  4. Step 4: Simplify right side
    14,133.05x = 150,716,030.82
  5. Step 5: Solve for x
    x = 150,716,030.82/14,133.05
  6. Step 6: Final answer
    x = 10,664.08

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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.