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Finding the Fourth Proportional to 22,148,907.55, 30,932,887.85 and 22,148,907.55

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Solution

The fourth proportional to 22,148,907.55, 30,932,887.85 and 22,148,907.55 is: 30,932,887.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,148,907.55 : 30,932,887.85 = 22,148,907.55 : x
  2. Step 2: Convert to fraction form
    22,148,907.55/30,932,887.85 = 22,148,907.55/x
  3. Step 3: Cross multiply
    22,148,907.55x = 30,932,887.85 × 22,148,907.55
  4. Step 4: Simplify right side
    22,148,907.55x = 685,129,673,244,168.38
  5. Step 5: Solve for x
    x = 685,129,673,244,168.38/22,148,907.55
  6. Step 6: Final answer
    x = 30,932,887.85

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.