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Finding the Fourth Proportional to 48,689.65, 67,173.69 and 35,973.46

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Solution

The fourth proportional to 48,689.65, 67,173.69 and 35,973.46 is: 49,630.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,689.65 : 67,173.69 = 35,973.46 : x
  2. Step 2: Convert to fraction form
    48,689.65/67,173.69 = 35,973.46/x
  3. Step 3: Cross multiply
    48,689.65x = 67,173.69 × 35,973.46
  4. Step 4: Simplify right side
    48,689.65x = 2,416,470,050.27
  5. Step 5: Solve for x
    x = 2,416,470,050.27/48,689.65
  6. Step 6: Final answer
    x = 49,630.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.