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Finding the Fourth Proportional to 30,401.81, 45,602.67 and 16,901.58

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Solution

The fourth proportional to 30,401.81, 45,602.67 and 16,901.58 is: 25,352.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,401.81 : 45,602.67 = 16,901.58 : x
  2. Step 2: Convert to fraction form
    30,401.81/45,602.67 = 16,901.58/x
  3. Step 3: Cross multiply
    30,401.81x = 45,602.67 × 16,901.58
  4. Step 4: Simplify right side
    30,401.81x = 770,757,175.22
  5. Step 5: Solve for x
    x = 770,757,175.22/30,401.81
  6. Step 6: Final answer
    x = 25,352.35

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1.5x scale

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.