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Finding the Fourth Proportional to 74,653.46, 103,021.76 and 41,119.46

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Solution

The fourth proportional to 74,653.46, 103,021.76 and 41,119.46 is: 56,744.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,653.46 : 103,021.76 = 41,119.46 : x
  2. Step 2: Convert to fraction form
    74,653.46/103,021.76 = 41,119.46/x
  3. Step 3: Cross multiply
    74,653.46x = 103,021.76 × 41,119.46
  4. Step 4: Simplify right side
    74,653.46x = 4,236,199,139.45
  5. Step 5: Solve for x
    x = 4,236,199,139.45/74,653.46
  6. Step 6: Final answer
    x = 56,744.85

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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.