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Finding the Fourth Proportional to 46,661.86, 69,992.79 and 17,066.89

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Solution

The fourth proportional to 46,661.86, 69,992.79 and 17,066.89 is: 25,600.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,661.86 : 69,992.79 = 17,066.89 : x
  2. Step 2: Convert to fraction form
    46,661.86/69,992.79 = 17,066.89/x
  3. Step 3: Cross multiply
    46,661.86x = 69,992.79 × 17,066.89
  4. Step 4: Simplify right side
    46,661.86x = 1,194,559,247.72
  5. Step 5: Solve for x
    x = 1,194,559,247.72/46,661.86
  6. Step 6: Final answer
    x = 25,600.34

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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.