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Finding the Fourth Proportional to 85,832.64, 118,454.52 and 47,596.56

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Solution

The fourth proportional to 85,832.64, 118,454.52 and 47,596.56 is: 65,686.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,832.64 : 118,454.52 = 47,596.56 : x
  2. Step 2: Convert to fraction form
    85,832.64/118,454.52 = 47,596.56/x
  3. Step 3: Cross multiply
    85,832.64x = 118,454.52 × 47,596.56
  4. Step 4: Simplify right side
    85,832.64x = 5,638,027,668.45
  5. Step 5: Solve for x
    x = 5,638,027,668.45/85,832.64
  6. Step 6: Final answer
    x = 65,686.29

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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.