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Finding the Fourth Proportional to 8,444.36, 11,645.64 and 5,457.06

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Solution

The fourth proportional to 8,444.36, 11,645.64 and 5,457.06 is: 7,525.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,444.36 : 11,645.64 = 5,457.06 : x
  2. Step 2: Convert to fraction form
    8,444.36/11,645.64 = 5,457.06/x
  3. Step 3: Cross multiply
    8,444.36x = 11,645.64 × 5,457.06
  4. Step 4: Simplify right side
    8,444.36x = 63,550,956.22
  5. Step 5: Solve for x
    x = 63,550,956.22/8,444.36
  6. Step 6: Final answer
    x = 7,525.85

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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.