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Finding the Fourth Proportional to 46,661.93, 70,021.93 and 18,959.93

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Solution

The fourth proportional to 46,661.93, 70,021.93 and 18,959.93 is: 28,451.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,661.93 : 70,021.93 = 18,959.93 : x
  2. Step 2: Convert to fraction form
    46,661.93/70,021.93 = 18,959.93/x
  3. Step 3: Cross multiply
    46,661.93x = 70,021.93 × 18,959.93
  4. Step 4: Simplify right side
    46,661.93x = 1,327,610,891.26
  5. Step 5: Solve for x
    x = 1,327,610,891.26/46,661.93
  6. Step 6: Final answer
    x = 28,451.69

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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.