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Finding the Fourth Proportional to 48,480.08, 72,701.52 and 18,894.08

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Solution

The fourth proportional to 48,480.08, 72,701.52 and 18,894.08 is: 28,333.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,480.08 : 72,701.52 = 18,894.08 : x
  2. Step 2: Convert to fraction form
    48,480.08/72,701.52 = 18,894.08/x
  3. Step 3: Cross multiply
    48,480.08x = 72,701.52 × 18,894.08
  4. Step 4: Simplify right side
    48,480.08x = 1,373,628,335.00
  5. Step 5: Solve for x
    x = 1,373,628,335.00/48,480.08
  6. Step 6: Final answer
    x = 28,333.87

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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.