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Finding the Fourth Proportional to 9,484.57, 14,220.78 and 3,941.74

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Solution

The fourth proportional to 9,484.57, 14,220.78 and 3,941.74 is: 5,910.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,484.57 : 14,220.78 = 3,941.74 : x
  2. Step 2: Convert to fraction form
    9,484.57/14,220.78 = 3,941.74/x
  3. Step 3: Cross multiply
    9,484.57x = 14,220.78 × 3,941.74
  4. Step 4: Simplify right side
    9,484.57x = 56,054,617.36
  5. Step 5: Solve for x
    x = 56,054,617.36/9,484.57
  6. Step 6: Final answer
    x = 5,910.09

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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.