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Finding the Fourth Proportional to 16,605,290.80, 24,918,433.80 and 9,781,850.80

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Solution

The fourth proportional to 16,605,290.80, 24,918,433.80 and 9,781,850.80 is: 14,678,960.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,605,290.80 : 24,918,433.80 = 9,781,850.80 : x
  2. Step 2: Convert to fraction form
    16,605,290.80/24,918,433.80 = 9,781,850.80/x
  3. Step 3: Cross multiply
    16,605,290.80x = 24,918,433.80 × 9,781,850.80
  4. Step 4: Simplify right side
    16,605,290.80x = 243,748,401,601,277.06
  5. Step 5: Solve for x
    x = 243,748,401,601,277.06/16,605,290.80
  6. Step 6: Final answer
    x = 14,678,960.13

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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.