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Finding the Fourth Proportional to 17,130.69, 25,696.85 and 5,444.01

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Solution

The fourth proportional to 17,130.69, 25,696.85 and 5,444.01 is: 8,166.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,130.69 : 25,696.85 = 5,444.01 : x
  2. Step 2: Convert to fraction form
    17,130.69/25,696.85 = 5,444.01/x
  3. Step 3: Cross multiply
    17,130.69x = 25,696.85 × 5,444.01
  4. Step 4: Simplify right side
    17,130.69x = 139,893,881.15
  5. Step 5: Solve for x
    x = 139,893,881.15/17,130.69
  6. Step 6: Final answer
    x = 8,166.27

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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.