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Finding the Fourth Proportional to 74,808.24, 103,232.52 and 41,274.24

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Solution

The fourth proportional to 74,808.24, 103,232.52 and 41,274.24 is: 56,956.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,808.24 : 103,232.52 = 41,274.24 : x
  2. Step 2: Convert to fraction form
    74,808.24/103,232.52 = 41,274.24/x
  3. Step 3: Cross multiply
    74,808.24x = 103,232.52 × 41,274.24
  4. Step 4: Simplify right side
    74,808.24x = 4,260,843,806.28
  5. Step 5: Solve for x
    x = 4,260,843,806.28/74,808.24
  6. Step 6: Final answer
    x = 56,956.88

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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.