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Finding the Fourth Proportional to 48,968.40, 73,452.60 and 12,032.40

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Solution

The fourth proportional to 48,968.40, 73,452.60 and 12,032.40 is: 18,048.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,968.40 : 73,452.60 = 12,032.40 : x
  2. Step 2: Convert to fraction form
    48,968.40/73,452.60 = 12,032.40/x
  3. Step 3: Cross multiply
    48,968.40x = 73,452.60 × 12,032.40
  4. Step 4: Simplify right side
    48,968.40x = 883,811,064.24
  5. Step 5: Solve for x
    x = 883,811,064.24/48,968.40
  6. Step 6: Final answer
    x = 18,048.60

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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.