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Finding the Fourth Proportional to 8,453.98, 12,670.19 and 4,011.64

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Solution

The fourth proportional to 8,453.98, 12,670.19 and 4,011.64 is: 6,012.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,453.98 : 12,670.19 = 4,011.64 : x
  2. Step 2: Convert to fraction form
    8,453.98/12,670.19 = 4,011.64/x
  3. Step 3: Cross multiply
    8,453.98x = 12,670.19 × 4,011.64
  4. Step 4: Simplify right side
    8,453.98x = 50,828,204.32
  5. Step 5: Solve for x
    x = 50,828,204.32/8,453.98
  6. Step 6: Final answer
    x = 6,012.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.