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Finding the Fourth Proportional to 30,401.52, 45,609.30 and 9,625.02

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Solution

The fourth proportional to 30,401.52, 45,609.30 and 9,625.02 is: 14,439.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,401.52 : 45,609.30 = 9,625.02 : x
  2. Step 2: Convert to fraction form
    30,401.52/45,609.30 = 9,625.02/x
  3. Step 3: Cross multiply
    30,401.52x = 45,609.30 × 9,625.02
  4. Step 4: Simplify right side
    30,401.52x = 438,990,424.69
  5. Step 5: Solve for x
    x = 438,990,424.69/30,401.52
  6. Step 6: Final answer
    x = 14,439.75

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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.