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Finding the Fourth Proportional to 8,905.83, 12,277.22 and 6,244.98

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Solution

The fourth proportional to 8,905.83, 12,277.22 and 6,244.98 is: 8,609.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,905.83 : 12,277.22 = 6,244.98 : x
  2. Step 2: Convert to fraction form
    8,905.83/12,277.22 = 6,244.98/x
  3. Step 3: Cross multiply
    8,905.83x = 12,277.22 × 6,244.98
  4. Step 4: Simplify right side
    8,905.83x = 76,670,962.13
  5. Step 5: Solve for x
    x = 76,670,962.13/8,905.83
  6. Step 6: Final answer
    x = 8,609.08

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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.