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Finding the Fourth Proportional to 11,601.15, 17,401.65 and 4,203.89

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Solution

The fourth proportional to 11,601.15, 17,401.65 and 4,203.89 is: 6,305.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,601.15 : 17,401.65 = 4,203.89 : x
  2. Step 2: Convert to fraction form
    11,601.15/17,401.65 = 4,203.89/x
  3. Step 3: Cross multiply
    11,601.15x = 17,401.65 × 4,203.89
  4. Step 4: Simplify right side
    11,601.15x = 73,154,535.41
  5. Step 5: Solve for x
    x = 73,154,535.41/11,601.15
  6. Step 6: Final answer
    x = 6,305.80

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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.