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Finding the Fourth Proportional to 8,885.98, 12,262.02 and 4,907.12

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Solution

The fourth proportional to 8,885.98, 12,262.02 and 4,907.12 is: 6,771.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,885.98 : 12,262.02 = 4,907.12 : x
  2. Step 2: Convert to fraction form
    8,885.98/12,262.02 = 4,907.12/x
  3. Step 3: Cross multiply
    8,885.98x = 12,262.02 × 4,907.12
  4. Step 4: Simplify right side
    8,885.98x = 60,171,203.58
  5. Step 5: Solve for x
    x = 60,171,203.58/8,885.98
  6. Step 6: Final answer
    x = 6,771.48

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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.