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Finding the Fourth Proportional to 9,282,791.80, 13,924,187.70 and 8,484,974.20

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Solution

The fourth proportional to 9,282,791.80, 13,924,187.70 and 8,484,974.20 is: 12,727,461.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,282,791.80 : 13,924,187.70 = 8,484,974.20 : x
  2. Step 2: Convert to fraction form
    9,282,791.80/13,924,187.70 = 8,484,974.20/x
  3. Step 3: Cross multiply
    9,282,791.80x = 13,924,187.70 × 8,484,974.20
  4. Step 4: Simplify right side
    9,282,791.80x = 118,146,373,390,457.33
  5. Step 5: Solve for x
    x = 118,146,373,390,457.33/9,282,791.80
  6. Step 6: Final answer
    x = 12,727,461.30

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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.