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Finding the Fourth Proportional to 64,143.80, 96,069.90 and 32,942.60

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Solution

The fourth proportional to 64,143.80, 96,069.90 and 32,942.60 is: 49,339.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,143.80 : 96,069.90 = 32,942.60 : x
  2. Step 2: Convert to fraction form
    64,143.80/96,069.90 = 32,942.60/x
  3. Step 3: Cross multiply
    64,143.80x = 96,069.90 × 32,942.60
  4. Step 4: Simplify right side
    64,143.80x = 3,164,792,287.74
  5. Step 5: Solve for x
    x = 3,164,792,287.74/64,143.80
  6. Step 6: Final answer
    x = 49,339.02

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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.