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Finding the Fourth Proportional to 5,890,240.70, 8,835,361.05 and 3,195,856.70

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Solution

The fourth proportional to 5,890,240.70, 8,835,361.05 and 3,195,856.70 is: 4,793,785.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,890,240.70 : 8,835,361.05 = 3,195,856.70 : x
  2. Step 2: Convert to fraction form
    5,890,240.70/8,835,361.05 = 3,195,856.70/x
  3. Step 3: Cross multiply
    5,890,240.70x = 8,835,361.05 × 3,195,856.70
  4. Step 4: Simplify right side
    5,890,240.70x = 28,236,547,808,561.54
  5. Step 5: Solve for x
    x = 28,236,547,808,561.54/5,890,240.70
  6. Step 6: Final answer
    x = 4,793,785.05

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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.