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Finding the Fourth Proportional to 8,602,605.86, 12,903,942.04 and 3,485,132.47

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Solution

The fourth proportional to 8,602,605.86, 12,903,942.04 and 3,485,132.47 is: 5,227,712.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,602,605.86 : 12,903,942.04 = 3,485,132.47 : x
  2. Step 2: Convert to fraction form
    8,602,605.86/12,903,942.04 = 3,485,132.47/x
  3. Step 3: Cross multiply
    8,602,605.86x = 12,903,942.04 × 3,485,132.47
  4. Step 4: Simplify right side
    8,602,605.86x = 44,971,947,353,629.35
  5. Step 5: Solve for x
    x = 44,971,947,353,629.35/8,602,605.86
  6. Step 6: Final answer
    x = 5,227,712.17

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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.