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Finding the Fourth Proportional to 55,102.40, 82,653.60 and 41,105.60

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Solution

The fourth proportional to 55,102.40, 82,653.60 and 41,105.60 is: 61,658.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,102.40 : 82,653.60 = 41,105.60 : x
  2. Step 2: Convert to fraction form
    55,102.40/82,653.60 = 41,105.60/x
  3. Step 3: Cross multiply
    55,102.40x = 82,653.60 × 41,105.60
  4. Step 4: Simplify right side
    55,102.40x = 3,397,525,820.16
  5. Step 5: Solve for x
    x = 3,397,525,820.16/55,102.40
  6. Step 6: Final answer
    x = 61,658.40

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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.