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Finding the Fourth Proportional to 70,524.60, 105,786.90 and 35,532.60

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Solution

The fourth proportional to 70,524.60, 105,786.90 and 35,532.60 is: 53,298.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,524.60 : 105,786.90 = 35,532.60 : x
  2. Step 2: Convert to fraction form
    70,524.60/105,786.90 = 35,532.60/x
  3. Step 3: Cross multiply
    70,524.60x = 105,786.90 × 35,532.60
  4. Step 4: Simplify right side
    70,524.60x = 3,758,883,602.94
  5. Step 5: Solve for x
    x = 3,758,883,602.94/70,524.60
  6. Step 6: Final answer
    x = 53,298.90

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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.