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Finding the Fourth Proportional to 74,809.24, 103,233.90 and 41,275.24

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Solution

The fourth proportional to 74,809.24, 103,233.90 and 41,275.24 is: 56,958.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,809.24 : 103,233.90 = 41,275.24 : x
  2. Step 2: Convert to fraction form
    74,809.24/103,233.90 = 41,275.24/x
  3. Step 3: Cross multiply
    74,809.24x = 103,233.90 × 41,275.24
  4. Step 4: Simplify right side
    74,809.24x = 4,261,003,998.64
  5. Step 5: Solve for x
    x = 4,261,003,998.64/74,809.24
  6. Step 6: Final answer
    x = 56,958.26

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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.