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Finding the Fourth Proportional to 30,411.01, 45,616.20 and 9,634.51

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Solution

The fourth proportional to 30,411.01, 45,616.20 and 9,634.51 is: 14,451.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,411.01 : 45,616.20 = 9,634.51 : x
  2. Step 2: Convert to fraction form
    30,411.01/45,616.20 = 9,634.51/x
  3. Step 3: Cross multiply
    30,411.01x = 45,616.20 × 9,634.51
  4. Step 4: Simplify right side
    30,411.01x = 439,489,735.06
  5. Step 5: Solve for x
    x = 439,489,735.06/30,411.01
  6. Step 6: Final answer
    x = 14,451.67

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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.