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Finding the Fourth Proportional to 48,800.40, 73,203.80 and 13,741.20

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Solution

The fourth proportional to 48,800.40, 73,203.80 and 13,741.20 is: 20,612.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,800.40 : 73,203.80 = 13,741.20 : x
  2. Step 2: Convert to fraction form
    48,800.40/73,203.80 = 13,741.20/x
  3. Step 3: Cross multiply
    48,800.40x = 73,203.80 × 13,741.20
  4. Step 4: Simplify right side
    48,800.40x = 1,005,908,056.56
  5. Step 5: Solve for x
    x = 1,005,908,056.56/48,800.40
  6. Step 6: Final answer
    x = 20,612.70

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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.