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Finding the Fourth Proportional to 35,393.76, 53,014.07 and 16,645.71

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Solution

The fourth proportional to 35,393.76, 53,014.07 and 16,645.71 is: 24,932.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,393.76 : 53,014.07 = 16,645.71 : x
  2. Step 2: Convert to fraction form
    35,393.76/53,014.07 = 16,645.71/x
  3. Step 3: Cross multiply
    35,393.76x = 53,014.07 × 16,645.71
  4. Step 4: Simplify right side
    35,393.76x = 882,456,751.91
  5. Step 5: Solve for x
    x = 882,456,751.91/35,393.76
  6. Step 6: Final answer
    x = 24,932.55

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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.