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Finding the Fourth Proportional to 46,479.78, 69,749.37 and 16,894.80

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Solution

The fourth proportional to 46,479.78, 69,749.37 and 16,894.80 is: 25,353.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,479.78 : 69,749.37 = 16,894.80 : x
  2. Step 2: Convert to fraction form
    46,479.78/69,749.37 = 16,894.80/x
  3. Step 3: Cross multiply
    46,479.78x = 69,749.37 × 16,894.80
  4. Step 4: Simplify right side
    46,479.78x = 1,178,401,656.28
  5. Step 5: Solve for x
    x = 1,178,401,656.28/46,479.78
  6. Step 6: Final answer
    x = 25,353.00

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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.