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Finding the Fourth Proportional to 16,388,829.80, 24,539,007.90 and 16,388,829.80

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Solution

The fourth proportional to 16,388,829.80, 24,539,007.90 and 16,388,829.80 is: 24,539,007.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,388,829.80 : 24,539,007.90 = 16,388,829.80 : x
  2. Step 2: Convert to fraction form
    16,388,829.80/24,539,007.90 = 16,388,829.80/x
  3. Step 3: Cross multiply
    16,388,829.80x = 24,539,007.90 × 16,388,829.80
  4. Step 4: Simplify right side
    16,388,829.80x = 402,165,623,933,955.44
  5. Step 5: Solve for x
    x = 402,165,623,933,955.44/16,388,829.80
  6. Step 6: Final answer
    x = 24,539,007.90

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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.