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Finding the Fourth Proportional to 54,141.51, 74,724.51 and 31,493.63

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Solution

The fourth proportional to 54,141.51, 74,724.51 and 31,493.63 is: 43,466.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,141.51 : 74,724.51 = 31,493.63 : x
  2. Step 2: Convert to fraction form
    54,141.51/74,724.51 = 31,493.63/x
  3. Step 3: Cross multiply
    54,141.51x = 74,724.51 × 31,493.63
  4. Step 4: Simplify right side
    54,141.51x = 2,353,346,256.68
  5. Step 5: Solve for x
    x = 2,353,346,256.68/54,141.51
  6. Step 6: Final answer
    x = 43,466.58

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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.