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Finding the Fourth Proportional to 38,794.67, 53,542.73 and 22,880.87

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Solution

The fourth proportional to 38,794.67, 53,542.73 and 22,880.87 is: 31,579.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,794.67 : 53,542.73 = 22,880.87 : x
  2. Step 2: Convert to fraction form
    38,794.67/53,542.73 = 22,880.87/x
  3. Step 3: Cross multiply
    38,794.67x = 53,542.73 × 22,880.87
  4. Step 4: Simplify right side
    38,794.67x = 1,225,104,244.58
  5. Step 5: Solve for x
    x = 1,225,104,244.58/38,794.67
  6. Step 6: Final answer
    x = 31,579.19

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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.