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Finding the Fourth Proportional to 45,219.62, 67,402.88 and 41,855.28

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Solution

The fourth proportional to 45,219.62, 67,402.88 and 41,855.28 is: 62,388.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,219.62 : 67,402.88 = 41,855.28 : x
  2. Step 2: Convert to fraction form
    45,219.62/67,402.88 = 41,855.28/x
  3. Step 3: Cross multiply
    45,219.62x = 67,402.88 × 41,855.28
  4. Step 4: Simplify right side
    45,219.62x = 2,821,166,415.21
  5. Step 5: Solve for x
    x = 2,821,166,415.21/45,219.62
  6. Step 6: Final answer
    x = 62,388.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.