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Finding the Fourth Proportional to 84,754.96, 116,964.48 and 47,032.72

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Solution

The fourth proportional to 84,754.96, 116,964.48 and 47,032.72 is: 64,906.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,754.96 : 116,964.48 = 47,032.72 : x
  2. Step 2: Convert to fraction form
    84,754.96/116,964.48 = 47,032.72/x
  3. Step 3: Cross multiply
    84,754.96x = 116,964.48 × 47,032.72
  4. Step 4: Simplify right side
    84,754.96x = 5,501,157,637.79
  5. Step 5: Solve for x
    x = 5,501,157,637.79/84,754.96
  6. Step 6: Final answer
    x = 64,906.62

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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.