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Finding the Fourth Proportional to 57,608.84, 86,428.94 and 17,626.93

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Solution

The fourth proportional to 57,608.84, 86,428.94 and 17,626.93 is: 26,445.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,608.84 : 86,428.94 = 17,626.93 : x
  2. Step 2: Convert to fraction form
    57,608.84/86,428.94 = 17,626.93/x
  3. Step 3: Cross multiply
    57,608.84x = 86,428.94 × 17,626.93
  4. Step 4: Simplify right side
    57,608.84x = 1,523,477,057.31
  5. Step 5: Solve for x
    x = 1,523,477,057.31/57,608.84
  6. Step 6: Final answer
    x = 26,445.20

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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.