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Finding the Fourth Proportional to 8,603.02, 11,866.53 and 5,063.77

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Solution

The fourth proportional to 8,603.02, 11,866.53 and 5,063.77 is: 6,984.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,603.02 : 11,866.53 = 5,063.77 : x
  2. Step 2: Convert to fraction form
    8,603.02/11,866.53 = 5,063.77/x
  3. Step 3: Cross multiply
    8,603.02x = 11,866.53 × 5,063.77
  4. Step 4: Simplify right side
    8,603.02x = 60,089,378.62
  5. Step 5: Solve for x
    x = 60,089,378.62/8,603.02
  6. Step 6: Final answer
    x = 6,984.68

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Why These Related Problems?

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