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Finding the Fourth Proportional to 65,482.80, 98,231.40 and 23,938.80

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Solution

The fourth proportional to 65,482.80, 98,231.40 and 23,938.80 is: 35,910.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,482.80 : 98,231.40 = 23,938.80 : x
  2. Step 2: Convert to fraction form
    65,482.80/98,231.40 = 23,938.80/x
  3. Step 3: Cross multiply
    65,482.80x = 98,231.40 × 23,938.80
  4. Step 4: Simplify right side
    65,482.80x = 2,351,541,838.32
  5. Step 5: Solve for x
    x = 2,351,541,838.32/65,482.80
  6. Step 6: Final answer
    x = 35,910.83

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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.