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Finding the Fourth Proportional to 16,012.39, 24,017.95 and 4,918.51

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Solution

The fourth proportional to 16,012.39, 24,017.95 and 4,918.51 is: 7,377.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,012.39 : 24,017.95 = 4,918.51 : x
  2. Step 2: Convert to fraction form
    16,012.39/24,017.95 = 4,918.51/x
  3. Step 3: Cross multiply
    16,012.39x = 24,017.95 × 4,918.51
  4. Step 4: Simplify right side
    16,012.39x = 118,132,527.25
  5. Step 5: Solve for x
    x = 118,132,527.25/16,012.39
  6. Step 6: Final answer
    x = 7,377.57

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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.