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Finding the Fourth Proportional to 8,610.55, 11,881.58 and 4,833.21

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Solution

The fourth proportional to 8,610.55, 11,881.58 and 4,833.21 is: 6,669.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,610.55 : 11,881.58 = 4,833.21 : x
  2. Step 2: Convert to fraction form
    8,610.55/11,881.58 = 4,833.21/x
  3. Step 3: Cross multiply
    8,610.55x = 11,881.58 × 4,833.21
  4. Step 4: Simplify right side
    8,610.55x = 57,426,171.27
  5. Step 5: Solve for x
    x = 57,426,171.27/8,610.55
  6. Step 6: Final answer
    x = 6,669.28

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1.5x scale

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.