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Finding the Fourth Proportional to 75,906.79, 104,752.23 and 41,915.23

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Solution

The fourth proportional to 75,906.79, 104,752.23 and 41,915.23 is: 57,843.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,906.79 : 104,752.23 = 41,915.23 : x
  2. Step 2: Convert to fraction form
    75,906.79/104,752.23 = 41,915.23/x
  3. Step 3: Cross multiply
    75,906.79x = 104,752.23 × 41,915.23
  4. Step 4: Simplify right side
    75,906.79x = 4,390,713,813.46
  5. Step 5: Solve for x
    x = 4,390,713,813.46/75,906.79
  6. Step 6: Final answer
    x = 57,843.49

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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.