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Finding the Fourth Proportional to 17,070, 25,604.99 and 5,384.13

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Solution

The fourth proportional to 17,070, 25,604.99 and 5,384.13 is: 8,076.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,070 : 25,604.99 = 5,384.13 : x
  2. Step 2: Convert to fraction form
    17,070/25,604.99 = 5,384.13/x
  3. Step 3: Cross multiply
    17,070x = 25,604.99 × 5,384.13
  4. Step 4: Simplify right side
    17,070x = 137,860,594.81
  5. Step 5: Solve for x
    x = 137,860,594.81/17,070
  6. Step 6: Final answer
    x = 8,076.19

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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.