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Finding the Fourth Proportional to 27,906.40, 41,859.60 and 25,938.10

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Solution

The fourth proportional to 27,906.40, 41,859.60 and 25,938.10 is: 38,907.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,906.40 : 41,859.60 = 25,938.10 : x
  2. Step 2: Convert to fraction form
    27,906.40/41,859.60 = 25,938.10/x
  3. Step 3: Cross multiply
    27,906.40x = 41,859.60 × 25,938.10
  4. Step 4: Simplify right side
    27,906.40x = 1,085,758,490.76
  5. Step 5: Solve for x
    x = 1,085,758,490.76/27,906.40
  6. Step 6: Final answer
    x = 38,907.15

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1.5x scale

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.