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Finding the Fourth Proportional to 10,455.61, 14,408.83 and 10,263.46

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Solution

The fourth proportional to 10,455.61, 14,408.83 and 10,263.46 is: 14,144.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,455.61 : 14,408.83 = 10,263.46 : x
  2. Step 2: Convert to fraction form
    10,455.61/14,408.83 = 10,263.46/x
  3. Step 3: Cross multiply
    10,455.61x = 14,408.83 × 10,263.46
  4. Step 4: Simplify right side
    10,455.61x = 147,884,450.35
  5. Step 5: Solve for x
    x = 147,884,450.35/10,455.61
  6. Step 6: Final answer
    x = 14,144.03

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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.