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Finding the Fourth Proportional to 30,932, 42,675.01 and 17,503.11

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Solution

The fourth proportional to 30,932, 42,675.01 and 17,503.11 is: 24,147.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,932 : 42,675.01 = 17,503.11 : x
  2. Step 2: Convert to fraction form
    30,932/42,675.01 = 17,503.11/x
  3. Step 3: Cross multiply
    30,932x = 42,675.01 × 17,503.11
  4. Step 4: Simplify right side
    30,932x = 746,945,394.28
  5. Step 5: Solve for x
    x = 746,945,394.28/30,932
  6. Step 6: Final answer
    x = 24,147.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.