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Finding the Fourth Proportional to 75,666.58, 104,418.90 and 41,674.42

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Solution

The fourth proportional to 75,666.58, 104,418.90 and 41,674.42 is: 57,510.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,666.58 : 104,418.90 = 41,674.42 : x
  2. Step 2: Convert to fraction form
    75,666.58/104,418.90 = 41,674.42/x
  3. Step 3: Cross multiply
    75,666.58x = 104,418.90 × 41,674.42
  4. Step 4: Simplify right side
    75,666.58x = 4,351,597,094.54
  5. Step 5: Solve for x
    x = 4,351,597,094.54/75,666.58
  6. Step 6: Final answer
    x = 57,510.16

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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.