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Finding the Fourth Proportional to 3,954,546.54, 5,931,776.80 and 3,000,859.05

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Solution

The fourth proportional to 3,954,546.54, 5,931,776.80 and 3,000,859.05 is: 4,501,255.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,954,546.54 : 5,931,776.80 = 3,000,859.05 : x
  2. Step 2: Convert to fraction form
    3,954,546.54/5,931,776.80 = 3,000,859.05/x
  3. Step 3: Cross multiply
    3,954,546.54x = 5,931,776.80 × 3,000,859.05
  4. Step 4: Simplify right side
    3,954,546.54x = 17,800,426,092,860.04
  5. Step 5: Solve for x
    x = 17,800,426,092,860.04/3,954,546.54
  6. Step 6: Final answer
    x = 4,501,255.94

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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.