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Finding the Fourth Proportional to 3,956,489.64, 5,933,904.01 and 1,115,937.49

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Solution

The fourth proportional to 3,956,489.64, 5,933,904.01 and 1,115,937.49 is: 1,673,672.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,956,489.64 : 5,933,904.01 = 1,115,937.49 : x
  2. Step 2: Convert to fraction form
    3,956,489.64/5,933,904.01 = 1,115,937.49/x
  3. Step 3: Cross multiply
    3,956,489.64x = 5,933,904.01 × 1,115,937.49
  4. Step 4: Simplify right side
    3,956,489.64x = 6,621,865,946,820.34
  5. Step 5: Solve for x
    x = 6,621,865,946,820.34/3,956,489.64
  6. Step 6: Final answer
    x = 1,673,672.00

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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.