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Finding the Fourth Proportional to 64,486.52, 88,982.70 and 36,190.52

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Solution

The fourth proportional to 64,486.52, 88,982.70 and 36,190.52 is: 49,938.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,486.52 : 88,982.70 = 36,190.52 : x
  2. Step 2: Convert to fraction form
    64,486.52/88,982.70 = 36,190.52/x
  3. Step 3: Cross multiply
    64,486.52x = 88,982.70 × 36,190.52
  4. Step 4: Simplify right side
    64,486.52x = 3,220,330,184.00
  5. Step 5: Solve for x
    x = 3,220,330,184.00/64,486.52
  6. Step 6: Final answer
    x = 49,938.04

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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.