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Finding the Fourth Proportional to 5,865,872.80, 8,791,810.80 and 5,264,010.40

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Solution

The fourth proportional to 5,865,872.80, 8,791,810.80 and 5,264,010.40 is: 7,889,735.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,865,872.80 : 8,791,810.80 = 5,264,010.40 : x
  2. Step 2: Convert to fraction form
    5,865,872.80/8,791,810.80 = 5,264,010.40/x
  3. Step 3: Cross multiply
    5,865,872.80x = 8,791,810.80 × 5,264,010.40
  4. Step 4: Simplify right side
    5,865,872.80x = 46,280,183,486,032.33
  5. Step 5: Solve for x
    x = 46,280,183,486,032.33/5,865,872.80
  6. Step 6: Final answer
    x = 7,889,735.26

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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.