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Finding the Fourth Proportional to 8,307.77, 11,465.93 and 5,474.68

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Solution

The fourth proportional to 8,307.77, 11,465.93 and 5,474.68 is: 7,555.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,307.77 : 11,465.93 = 5,474.68 : x
  2. Step 2: Convert to fraction form
    8,307.77/11,465.93 = 5,474.68/x
  3. Step 3: Cross multiply
    8,307.77x = 11,465.93 × 5,474.68
  4. Step 4: Simplify right side
    8,307.77x = 62,772,282.67
  5. Step 5: Solve for x
    x = 62,772,282.67/8,307.77
  6. Step 6: Final answer
    x = 7,555.86

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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.