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Finding the Fourth Proportional to 48,336.74, 72,499.74 and 15,054.02

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Solution

The fourth proportional to 48,336.74, 72,499.74 and 15,054.02 is: 22,579.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,336.74 : 72,499.74 = 15,054.02 : x
  2. Step 2: Convert to fraction form
    48,336.74/72,499.74 = 15,054.02/x
  3. Step 3: Cross multiply
    48,336.74x = 72,499.74 × 15,054.02
  4. Step 4: Simplify right side
    48,336.74x = 1,091,412,717.20
  5. Step 5: Solve for x
    x = 1,091,412,717.20/48,336.74
  6. Step 6: Final answer
    x = 22,579.36

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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.