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Finding the Fourth Proportional to 70,552.80, 105,843.60 and 23,810.40

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Solution

The fourth proportional to 70,552.80, 105,843.60 and 23,810.40 is: 35,720.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,552.80 : 105,843.60 = 23,810.40 : x
  2. Step 2: Convert to fraction form
    70,552.80/105,843.60 = 23,810.40/x
  3. Step 3: Cross multiply
    70,552.80x = 105,843.60 × 23,810.40
  4. Step 4: Simplify right side
    70,552.80x = 2,520,178,453.44
  5. Step 5: Solve for x
    x = 2,520,178,453.44/70,552.80
  6. Step 6: Final answer
    x = 35,720.46

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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.