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Finding the Fourth Proportional to 5,776,483.80, 8,664,725.70 and 5,328,586.20

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Solution

The fourth proportional to 5,776,483.80, 8,664,725.70 and 5,328,586.20 is: 7,992,879.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,776,483.80 : 8,664,725.70 = 5,328,586.20 : x
  2. Step 2: Convert to fraction form
    5,776,483.80/8,664,725.70 = 5,328,586.20/x
  3. Step 3: Cross multiply
    5,776,483.80x = 8,664,725.70 × 5,328,586.20
  4. Step 4: Simplify right side
    5,776,483.80x = 46,170,737,791,805.34
  5. Step 5: Solve for x
    x = 46,170,737,791,805.34/5,776,483.80
  6. Step 6: Final answer
    x = 7,992,879.30

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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.