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Finding the Fourth Proportional to 46,992.92, 70,500.18 and 20,699.69

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Solution

The fourth proportional to 46,992.92, 70,500.18 and 20,699.69 is: 31,054.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,992.92 : 70,500.18 = 20,699.69 : x
  2. Step 2: Convert to fraction form
    46,992.92/70,500.18 = 20,699.69/x
  3. Step 3: Cross multiply
    46,992.92x = 70,500.18 × 20,699.69
  4. Step 4: Simplify right side
    46,992.92x = 1,459,331,870.94
  5. Step 5: Solve for x
    x = 1,459,331,870.94/46,992.92
  6. Step 6: Final answer
    x = 31,054.29

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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.