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Finding the Fourth Proportional to 40,792.56, 61,181.56 and 25,957.44

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Solution

The fourth proportional to 40,792.56, 61,181.56 and 25,957.44 is: 38,931.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,792.56 : 61,181.56 = 25,957.44 : x
  2. Step 2: Convert to fraction form
    40,792.56/61,181.56 = 25,957.44/x
  3. Step 3: Cross multiply
    40,792.56x = 61,181.56 × 25,957.44
  4. Step 4: Simplify right side
    40,792.56x = 1,588,116,672.81
  5. Step 5: Solve for x
    x = 1,588,116,672.81/40,792.56
  6. Step 6: Final answer
    x = 38,931.53

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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.