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Finding the Fourth Proportional to 8,559.55, 11,812.08 and 6,039.04

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Solution

The fourth proportional to 8,559.55, 11,812.08 and 6,039.04 is: 8,333.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,559.55 : 11,812.08 = 6,039.04 : x
  2. Step 2: Convert to fraction form
    8,559.55/11,812.08 = 6,039.04/x
  3. Step 3: Cross multiply
    8,559.55x = 11,812.08 × 6,039.04
  4. Step 4: Simplify right side
    8,559.55x = 71,333,623.60
  5. Step 5: Solve for x
    x = 71,333,623.60/8,559.55
  6. Step 6: Final answer
    x = 8,333.81

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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.