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Finding the Fourth Proportional to 48,357.65, 72,492.73 and 17,185.61

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Solution

The fourth proportional to 48,357.65, 72,492.73 and 17,185.61 is: 25,762.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,357.65 : 72,492.73 = 17,185.61 : x
  2. Step 2: Convert to fraction form
    48,357.65/72,492.73 = 17,185.61/x
  3. Step 3: Cross multiply
    48,357.65x = 72,492.73 × 17,185.61
  4. Step 4: Simplify right side
    48,357.65x = 1,245,831,785.62
  5. Step 5: Solve for x
    x = 1,245,831,785.62/48,357.65
  6. Step 6: Final answer
    x = 25,762.87

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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.