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Finding the Fourth Proportional to 10,410.72, 14,361.36 and 7,053.76

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Solution

The fourth proportional to 10,410.72, 14,361.36 and 7,053.76 is: 9,730.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,410.72 : 14,361.36 = 7,053.76 : x
  2. Step 2: Convert to fraction form
    10,410.72/14,361.36 = 7,053.76/x
  3. Step 3: Cross multiply
    10,410.72x = 14,361.36 × 7,053.76
  4. Step 4: Simplify right side
    10,410.72x = 101,301,586.71
  5. Step 5: Solve for x
    x = 101,301,586.71/10,410.72
  6. Step 6: Final answer
    x = 9,730.51

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