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Finding the Fourth Proportional to 14,170, 21,258.03 and 4,310.08

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Solution

The fourth proportional to 14,170, 21,258.03 and 4,310.08 is: 6,466.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,170 : 21,258.03 = 4,310.08 : x
  2. Step 2: Convert to fraction form
    14,170/21,258.03 = 4,310.08/x
  3. Step 3: Cross multiply
    14,170x = 21,258.03 × 4,310.08
  4. Step 4: Simplify right side
    14,170x = 91,623,809.94
  5. Step 5: Solve for x
    x = 91,623,809.94/14,170
  6. Step 6: Final answer
    x = 6,466.04

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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.