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Finding the Fourth Proportional to 8,606.55, 11,877.53 and 4,829.52

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Solution

The fourth proportional to 8,606.55, 11,877.53 and 4,829.52 is: 6,665.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,606.55 : 11,877.53 = 4,829.52 : x
  2. Step 2: Convert to fraction form
    8,606.55/11,877.53 = 4,829.52/x
  3. Step 3: Cross multiply
    8,606.55x = 11,877.53 × 4,829.52
  4. Step 4: Simplify right side
    8,606.55x = 57,362,768.69
  5. Step 5: Solve for x
    x = 57,362,768.69/8,606.55
  6. Step 6: Final answer
    x = 6,665.01

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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.