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Finding the Fourth Proportional to 8,724,978.18, 13,093,445.07 and 3,045,202.49

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Solution

The fourth proportional to 8,724,978.18, 13,093,445.07 and 3,045,202.49 is: 4,569,890.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,724,978.18 : 13,093,445.07 = 3,045,202.49 : x
  2. Step 2: Convert to fraction form
    8,724,978.18/13,093,445.07 = 3,045,202.49/x
  3. Step 3: Cross multiply
    8,724,978.18x = 13,093,445.07 × 3,045,202.49
  4. Step 4: Simplify right side
    8,724,978.18x = 39,872,191,562,575.84
  5. Step 5: Solve for x
    x = 39,872,191,562,575.84/8,724,978.18
  6. Step 6: Final answer
    x = 4,569,890.12

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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.