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Finding the Fourth Proportional to 8,803.86, 12,149.22 and 4,770.60

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Solution

The fourth proportional to 8,803.86, 12,149.22 and 4,770.60 is: 6,583.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,803.86 : 12,149.22 = 4,770.60 : x
  2. Step 2: Convert to fraction form
    8,803.86/12,149.22 = 4,770.60/x
  3. Step 3: Cross multiply
    8,803.86x = 12,149.22 × 4,770.60
  4. Step 4: Simplify right side
    8,803.86x = 57,959,068.93
  5. Step 5: Solve for x
    x = 57,959,068.93/8,803.86
  6. Step 6: Final answer
    x = 6,583.37

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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.