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Finding the Fourth Proportional to 11,133,602.70, 16,700,404.05 and 7,351,356.30

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Solution

The fourth proportional to 11,133,602.70, 16,700,404.05 and 7,351,356.30 is: 11,027,034.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,133,602.70 : 16,700,404.05 = 7,351,356.30 : x
  2. Step 2: Convert to fraction form
    11,133,602.70/16,700,404.05 = 7,351,356.30/x
  3. Step 3: Cross multiply
    11,133,602.70x = 16,700,404.05 × 7,351,356.30
  4. Step 4: Simplify right side
    11,133,602.70x = 122,770,620,525,513.02
  5. Step 5: Solve for x
    x = 122,770,620,525,513.02/11,133,602.70
  6. Step 6: Final answer
    x = 11,027,034.45

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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.