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Finding the Fourth Proportional to 84,785.85, 117,004.92 and 52,973.20

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Solution

The fourth proportional to 84,785.85, 117,004.92 and 52,973.20 is: 73,103.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,785.85 : 117,004.92 = 52,973.20 : x
  2. Step 2: Convert to fraction form
    84,785.85/117,004.92 = 52,973.20/x
  3. Step 3: Cross multiply
    84,785.85x = 117,004.92 × 52,973.20
  4. Step 4: Simplify right side
    84,785.85x = 6,198,124,443.12
  5. Step 5: Solve for x
    x = 6,198,124,443.12/84,785.85
  6. Step 6: Final answer
    x = 73,103.29

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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.