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Finding the Fourth Proportional to 74,574.29, 102,912.53 and 41,040.29

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Solution

The fourth proportional to 74,574.29, 102,912.53 and 41,040.29 is: 56,635.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,574.29 : 102,912.53 = 41,040.29 : x
  2. Step 2: Convert to fraction form
    74,574.29/102,912.53 = 41,040.29/x
  3. Step 3: Cross multiply
    74,574.29x = 102,912.53 × 41,040.29
  4. Step 4: Simplify right side
    74,574.29x = 4,223,560,127.91
  5. Step 5: Solve for x
    x = 4,223,560,127.91/74,574.29
  6. Step 6: Final answer
    x = 56,635.60

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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.