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Finding the Fourth Proportional to 71,383.52, 98,555.48 and 45,901.32

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Solution

The fourth proportional to 71,383.52, 98,555.48 and 45,901.32 is: 63,373.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,383.52 : 98,555.48 = 45,901.32 : x
  2. Step 2: Convert to fraction form
    71,383.52/98,555.48 = 45,901.32/x
  3. Step 3: Cross multiply
    71,383.52x = 98,555.48 × 45,901.32
  4. Step 4: Simplify right side
    71,383.52x = 4,523,826,625.23
  5. Step 5: Solve for x
    x = 4,523,826,625.23/71,383.52
  6. Step 6: Final answer
    x = 63,373.54

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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.