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Finding the Fourth Proportional to 69,661.02, 104,492 and 17,070.51

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Solution

The fourth proportional to 69,661.02, 104,492 and 17,070.51 is: 25,605.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,661.02 : 104,492 = 17,070.51 : x
  2. Step 2: Convert to fraction form
    69,661.02/104,492 = 17,070.51/x
  3. Step 3: Cross multiply
    69,661.02x = 104,492 × 17,070.51
  4. Step 4: Simplify right side
    69,661.02x = 1,783,731,730.92
  5. Step 5: Solve for x
    x = 1,783,731,730.92/69,661.02
  6. Step 6: Final answer
    x = 25,605.88

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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.