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Finding the Fourth Proportional to 5,690,390.26, 8,536,638.80 and 1,800,827.16

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Solution

The fourth proportional to 5,690,390.26, 8,536,638.80 and 1,800,827.16 is: 2,701,574.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,690,390.26 : 8,536,638.80 = 1,800,827.16 : x
  2. Step 2: Convert to fraction form
    5,690,390.26/8,536,638.80 = 1,800,827.16/x
  3. Step 3: Cross multiply
    5,690,390.26x = 8,536,638.80 × 1,800,827.16
  4. Step 4: Simplify right side
    5,690,390.26x = 15,373,011,006,149.81
  5. Step 5: Solve for x
    x = 15,373,011,006,149.81/5,690,390.26
  6. Step 6: Final answer
    x = 2,701,574.11

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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.