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Finding the Fourth Proportional to 84,801.81, 117,021.91 and 47,073.63

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Solution

The fourth proportional to 84,801.81, 117,021.91 and 47,073.63 is: 64,959.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,801.81 : 117,021.91 = 47,073.63 : x
  2. Step 2: Convert to fraction form
    84,801.81/117,021.91 = 47,073.63/x
  3. Step 3: Cross multiply
    84,801.81x = 117,021.91 × 47,073.63
  4. Step 4: Simplify right side
    84,801.81x = 5,508,646,093.23
  5. Step 5: Solve for x
    x = 5,508,646,093.23/84,801.81
  6. Step 6: Final answer
    x = 64,959.06

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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.