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Finding the Fourth Proportional to 48,661.58, 72,959.96 and 17,492.78

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Solution

The fourth proportional to 48,661.58, 72,959.96 and 17,492.78 is: 26,227.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,661.58 : 72,959.96 = 17,492.78 : x
  2. Step 2: Convert to fraction form
    48,661.58/72,959.96 = 17,492.78/x
  3. Step 3: Cross multiply
    48,661.58x = 72,959.96 × 17,492.78
  4. Step 4: Simplify right side
    48,661.58x = 1,276,272,529.09
  5. Step 5: Solve for x
    x = 1,276,272,529.09/48,661.58
  6. Step 6: Final answer
    x = 26,227.52

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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.