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Finding the Fourth Proportional to 65,946.40, 98,900.40 and 23,821.60

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Solution

The fourth proportional to 65,946.40, 98,900.40 and 23,821.60 is: 35,725.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,946.40 : 98,900.40 = 23,821.60 : x
  2. Step 2: Convert to fraction form
    65,946.40/98,900.40 = 23,821.60/x
  3. Step 3: Cross multiply
    65,946.40x = 98,900.40 × 23,821.60
  4. Step 4: Simplify right side
    65,946.40x = 2,355,965,768.64
  5. Step 5: Solve for x
    x = 2,355,965,768.64/65,946.40
  6. Step 6: Final answer
    x = 35,725.46

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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.