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Finding the Fourth Proportional to 46,572.67, 69,851.92 and 16,990.56

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Solution

The fourth proportional to 46,572.67, 69,851.92 and 16,990.56 is: 25,483.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,572.67 : 69,851.92 = 16,990.56 : x
  2. Step 2: Convert to fraction form
    46,572.67/69,851.92 = 16,990.56/x
  3. Step 3: Cross multiply
    46,572.67x = 69,851.92 × 16,990.56
  4. Step 4: Simplify right side
    46,572.67x = 1,186,823,227.26
  5. Step 5: Solve for x
    x = 1,186,823,227.26/46,572.67
  6. Step 6: Final answer
    x = 25,483.25

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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.