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Finding the Fourth Proportional to 25,636, 38,454.04 and 7,168

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Solution

The fourth proportional to 25,636, 38,454.04 and 7,168 is: 10,752.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,636 : 38,454.04 = 7,168 : x
  2. Step 2: Convert to fraction form
    25,636/38,454.04 = 7,168/x
  3. Step 3: Cross multiply
    25,636x = 38,454.04 × 7,168
  4. Step 4: Simplify right side
    25,636x = 275,638,558.72
  5. Step 5: Solve for x
    x = 275,638,558.72/25,636
  6. Step 6: Final answer
    x = 10,752.01

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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.