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Finding the Fourth Proportional to 65,355.33, 98,023.71 and 20,976.33

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Solution

The fourth proportional to 65,355.33, 98,023.71 and 20,976.33 is: 31,461.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,355.33 : 98,023.71 = 20,976.33 : x
  2. Step 2: Convert to fraction form
    65,355.33/98,023.71 = 20,976.33/x
  3. Step 3: Cross multiply
    65,355.33x = 98,023.71 × 20,976.33
  4. Step 4: Simplify right side
    65,355.33x = 2,056,177,688.78
  5. Step 5: Solve for x
    x = 2,056,177,688.78/65,355.33
  6. Step 6: Final answer
    x = 31,461.51

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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.