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Finding the Fourth Proportional to 38,792.67, 53,539.97 and 22,878.87

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Solution

The fourth proportional to 38,792.67, 53,539.97 and 22,878.87 is: 31,576.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,792.67 : 53,539.97 = 22,878.87 : x
  2. Step 2: Convert to fraction form
    38,792.67/53,539.97 = 22,878.87/x
  3. Step 3: Cross multiply
    38,792.67x = 53,539.97 × 22,878.87
  4. Step 4: Simplify right side
    38,792.67x = 1,224,934,013.43
  5. Step 5: Solve for x
    x = 1,224,934,013.43/38,792.67
  6. Step 6: Final answer
    x = 31,576.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.