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Finding the Fourth Proportional to 8,477.84, 11,699.56 and 4,701.02

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Solution

The fourth proportional to 8,477.84, 11,699.56 and 4,701.02 is: 6,487.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,477.84 : 11,699.56 = 4,701.02 : x
  2. Step 2: Convert to fraction form
    8,477.84/11,699.56 = 4,701.02/x
  3. Step 3: Cross multiply
    8,477.84x = 11,699.56 × 4,701.02
  4. Step 4: Simplify right side
    8,477.84x = 54,999,865.55
  5. Step 5: Solve for x
    x = 54,999,865.55/8,477.84
  6. Step 6: Final answer
    x = 6,487.49

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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.