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Finding the Fourth Proportional to 75,858.41, 104,676.69 and 41,866.28

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Solution

The fourth proportional to 75,858.41, 104,676.69 and 41,866.28 is: 57,771.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,858.41 : 104,676.69 = 41,866.28 : x
  2. Step 2: Convert to fraction form
    75,858.41/104,676.69 = 41,866.28/x
  3. Step 3: Cross multiply
    75,858.41x = 104,676.69 × 41,866.28
  4. Step 4: Simplify right side
    75,858.41x = 4,382,423,613.01
  5. Step 5: Solve for x
    x = 4,382,423,613.01/75,858.41
  6. Step 6: Final answer
    x = 57,771.10

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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.