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Finding the Fourth Proportional to 84,771.44, 117,007.44 and 52,921.16

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Solution

The fourth proportional to 84,771.44, 117,007.44 and 52,921.16 is: 73,045.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,771.44 : 117,007.44 = 52,921.16 : x
  2. Step 2: Convert to fraction form
    84,771.44/117,007.44 = 52,921.16/x
  3. Step 3: Cross multiply
    84,771.44x = 117,007.44 × 52,921.16
  4. Step 4: Simplify right side
    84,771.44x = 6,192,169,453.43
  5. Step 5: Solve for x
    x = 6,192,169,453.43/84,771.44
  6. Step 6: Final answer
    x = 73,045.47

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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.