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Finding the Fourth Proportional to 20,406,592.02, 30,623,057.00 and 7,451,658.02

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Solution

The fourth proportional to 20,406,592.02, 30,623,057.00 and 7,451,658.02 is: 11,182,295.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,406,592.02 : 30,623,057.00 = 7,451,658.02 : x
  2. Step 2: Convert to fraction form
    20,406,592.02/30,623,057.00 = 7,451,658.02/x
  3. Step 3: Cross multiply
    20,406,592.02x = 30,623,057.00 × 7,451,658.02
  4. Step 4: Simplify right side
    20,406,592.02x = 228,192,548,358,210.22
  5. Step 5: Solve for x
    x = 228,192,548,358,210.22/20,406,592.02
  6. Step 6: Final answer
    x = 11,182,295.80

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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.