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Finding the Fourth Proportional to 70,704.97, 105,914.24 and 32,700.25

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Solution

The fourth proportional to 70,704.97, 105,914.24 and 32,700.25 is: 48,984.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,704.97 : 105,914.24 = 32,700.25 : x
  2. Step 2: Convert to fraction form
    70,704.97/105,914.24 = 32,700.25/x
  3. Step 3: Cross multiply
    70,704.97x = 105,914.24 × 32,700.25
  4. Step 4: Simplify right side
    70,704.97x = 3,463,421,963.06
  5. Step 5: Solve for x
    x = 3,463,421,963.06/70,704.97
  6. Step 6: Final answer
    x = 48,984.14

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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.