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Finding the Fourth Proportional to 8,349.36, 11,521.08 and 4,624.08

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Solution

The fourth proportional to 8,349.36, 11,521.08 and 4,624.08 is: 6,380.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,349.36 : 11,521.08 = 4,624.08 : x
  2. Step 2: Convert to fraction form
    8,349.36/11,521.08 = 4,624.08/x
  3. Step 3: Cross multiply
    8,349.36x = 11,521.08 × 4,624.08
  4. Step 4: Simplify right side
    8,349.36x = 53,274,395.61
  5. Step 5: Solve for x
    x = 53,274,395.61/8,349.36
  6. Step 6: Final answer
    x = 6,380.66

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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.