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Finding the Fourth Proportional to 5,432,610.90, 8,148,916.35 and 5,432,610.90

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Solution

The fourth proportional to 5,432,610.90, 8,148,916.35 and 5,432,610.90 is: 8,148,916.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,432,610.90 : 8,148,916.35 = 5,432,610.90 : x
  2. Step 2: Convert to fraction form
    5,432,610.90/8,148,916.35 = 5,432,610.90/x
  3. Step 3: Cross multiply
    5,432,610.90x = 8,148,916.35 × 5,432,610.90
  4. Step 4: Simplify right side
    5,432,610.90x = 44,269,891,786,198.22
  5. Step 5: Solve for x
    x = 44,269,891,786,198.22/5,432,610.90
  6. Step 6: Final answer
    x = 8,148,916.35

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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.