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Finding the Fourth Proportional to 44,311.40, 66,467.10 and 40,423.40

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Solution

The fourth proportional to 44,311.40, 66,467.10 and 40,423.40 is: 60,635.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,311.40 : 66,467.10 = 40,423.40 : x
  2. Step 2: Convert to fraction form
    44,311.40/66,467.10 = 40,423.40/x
  3. Step 3: Cross multiply
    44,311.40x = 66,467.10 × 40,423.40
  4. Step 4: Simplify right side
    44,311.40x = 2,686,826,170.14
  5. Step 5: Solve for x
    x = 2,686,826,170.14/44,311.40
  6. Step 6: Final answer
    x = 60,635.10

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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.