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Finding the Fourth Proportional to 33,311.04, 45,969.20 and 18,407.04

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Solution

The fourth proportional to 33,311.04, 45,969.20 and 18,407.04 is: 25,401.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,311.04 : 45,969.20 = 18,407.04 : x
  2. Step 2: Convert to fraction form
    33,311.04/45,969.20 = 18,407.04/x
  3. Step 3: Cross multiply
    33,311.04x = 45,969.20 × 18,407.04
  4. Step 4: Simplify right side
    33,311.04x = 846,156,903.17
  5. Step 5: Solve for x
    x = 846,156,903.17/33,311.04
  6. Step 6: Final answer
    x = 25,401.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.