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Finding the Fourth Proportional to 48,610.40, 72,915.60 and 17,441.60

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Solution

The fourth proportional to 48,610.40, 72,915.60 and 17,441.60 is: 26,162.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,610.40 : 72,915.60 = 17,441.60 : x
  2. Step 2: Convert to fraction form
    48,610.40/72,915.60 = 17,441.60/x
  3. Step 3: Cross multiply
    48,610.40x = 72,915.60 × 17,441.60
  4. Step 4: Simplify right side
    48,610.40x = 1,271,764,728.96
  5. Step 5: Solve for x
    x = 1,271,764,728.96/48,610.40
  6. Step 6: Final answer
    x = 26,162.40

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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.