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Finding the Fourth Proportional to 74,859.44, 103,303.32 and 41,324.72

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Solution

The fourth proportional to 74,859.44, 103,303.32 and 41,324.72 is: 57,026.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,859.44 : 103,303.32 = 41,324.72 : x
  2. Step 2: Convert to fraction form
    74,859.44/103,303.32 = 41,324.72/x
  3. Step 3: Cross multiply
    74,859.44x = 103,303.32 × 41,324.72
  4. Step 4: Simplify right side
    74,859.44x = 4,268,980,774.07
  5. Step 5: Solve for x
    x = 4,268,980,774.07/74,859.44
  6. Step 6: Final answer
    x = 57,026.62

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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.