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Finding the Fourth Proportional to 48,619.77, 72,900.48 and 19,002.33

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Solution

The fourth proportional to 48,619.77, 72,900.48 and 19,002.33 is: 28,492.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,619.77 : 72,900.48 = 19,002.33 : x
  2. Step 2: Convert to fraction form
    48,619.77/72,900.48 = 19,002.33/x
  3. Step 3: Cross multiply
    48,619.77x = 72,900.48 × 19,002.33
  4. Step 4: Simplify right side
    48,619.77x = 1,385,278,978.12
  5. Step 5: Solve for x
    x = 1,385,278,978.12/48,619.77
  6. Step 6: Final answer
    x = 28,492.09

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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.