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Finding the Fourth Proportional to 64,998.87, 97,512.87 and 20,627.07

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Solution

The fourth proportional to 64,998.87, 97,512.87 and 20,627.07 is: 30,945.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,998.87 : 97,512.87 = 20,627.07 : x
  2. Step 2: Convert to fraction form
    64,998.87/97,512.87 = 20,627.07/x
  3. Step 3: Cross multiply
    64,998.87x = 97,512.87 × 20,627.07
  4. Step 4: Simplify right side
    64,998.87x = 2,011,404,795.39
  5. Step 5: Solve for x
    x = 2,011,404,795.39/64,998.87
  6. Step 6: Final answer
    x = 30,945.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.