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Finding the Fourth Proportional to 8,580.89, 11,841.05 and 4,803.98

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Solution

The fourth proportional to 8,580.89, 11,841.05 and 4,803.98 is: 6,629.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,580.89 : 11,841.05 = 4,803.98 : x
  2. Step 2: Convert to fraction form
    8,580.89/11,841.05 = 4,803.98/x
  3. Step 3: Cross multiply
    8,580.89x = 11,841.05 × 4,803.98
  4. Step 4: Simplify right side
    8,580.89x = 56,884,120.18
  5. Step 5: Solve for x
    x = 56,884,120.18/8,580.89
  6. Step 6: Final answer
    x = 6,629.17

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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.