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Finding the Fourth Proportional to 30,449.50, 45,680.01 and 14,033.50

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Solution

The fourth proportional to 30,449.50, 45,680.01 and 14,033.50 is: 21,052.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,449.50 : 45,680.01 = 14,033.50 : x
  2. Step 2: Convert to fraction form
    30,449.50/45,680.01 = 14,033.50/x
  3. Step 3: Cross multiply
    30,449.50x = 45,680.01 × 14,033.50
  4. Step 4: Simplify right side
    30,449.50x = 641,050,420.34
  5. Step 5: Solve for x
    x = 641,050,420.34/30,449.50
  6. Step 6: Final answer
    x = 21,052.90

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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.