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Finding the Fourth Proportional to 30,401.01, 45,601.20 and 9,624.51

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Solution

The fourth proportional to 30,401.01, 45,601.20 and 9,624.51 is: 14,436.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,401.01 : 45,601.20 = 9,624.51 : x
  2. Step 2: Convert to fraction form
    30,401.01/45,601.20 = 9,624.51/x
  3. Step 3: Cross multiply
    30,401.01x = 45,601.20 × 9,624.51
  4. Step 4: Simplify right side
    30,401.01x = 438,889,205.41
  5. Step 5: Solve for x
    x = 438,889,205.41/30,401.01
  6. Step 6: Final answer
    x = 14,436.67

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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.