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Finding the Fourth Proportional to 8,349.95, 12,507.91 and 3,954.08

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Solution

The fourth proportional to 8,349.95, 12,507.91 and 3,954.08 is: 5,923.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,349.95 : 12,507.91 = 3,954.08 : x
  2. Step 2: Convert to fraction form
    8,349.95/12,507.91 = 3,954.08/x
  3. Step 3: Cross multiply
    8,349.95x = 12,507.91 × 3,954.08
  4. Step 4: Simplify right side
    8,349.95x = 49,457,204.35
  5. Step 5: Solve for x
    x = 49,457,204.35/8,349.95
  6. Step 6: Final answer
    x = 5,923.06

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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.