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Finding the Fourth Proportional to 8,386,770, 12,580,155 and 2,403,138

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Solution

The fourth proportional to 8,386,770, 12,580,155 and 2,403,138 is: 3,604,707

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,386,770 : 12,580,155 = 2,403,138 : x
  2. Step 2: Convert to fraction form
    8,386,770/12,580,155 = 2,403,138/x
  3. Step 3: Cross multiply
    8,386,770x = 12,580,155 × 2,403,138
  4. Step 4: Simplify right side
    8,386,770x = 30,231,848,526,390
  5. Step 5: Solve for x
    x = 30,231,848,526,390/8,386,770
  6. Step 6: Final answer
    x = 3,604,707

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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.