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Finding the Fourth Proportional to 9,484.61, 14,220.81 and 3,941.78

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Solution

The fourth proportional to 9,484.61, 14,220.81 and 3,941.78 is: 5,910.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,484.61 : 14,220.81 = 3,941.78 : x
  2. Step 2: Convert to fraction form
    9,484.61/14,220.81 = 3,941.78/x
  3. Step 3: Cross multiply
    9,484.61x = 14,220.81 × 3,941.78
  4. Step 4: Simplify right side
    9,484.61x = 56,055,233.34
  5. Step 5: Solve for x
    x = 56,055,233.34/9,484.61
  6. Step 6: Final answer
    x = 5,910.13

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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.