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Finding the Fourth Proportional to 10,449.36, 15,675.51 and 3,054.38

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Solution

The fourth proportional to 10,449.36, 15,675.51 and 3,054.38 is: 4,581.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,449.36 : 15,675.51 = 3,054.38 : x
  2. Step 2: Convert to fraction form
    10,449.36/15,675.51 = 3,054.38/x
  3. Step 3: Cross multiply
    10,449.36x = 15,675.51 × 3,054.38
  4. Step 4: Simplify right side
    10,449.36x = 47,878,885.86
  5. Step 5: Solve for x
    x = 47,878,885.86/10,449.36
  6. Step 6: Final answer
    x = 4,581.99

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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.