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Finding the Fourth Proportional to 16,641,806.60, 24,962,709.90 and 7,683,854.60

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Solution

The fourth proportional to 16,641,806.60, 24,962,709.90 and 7,683,854.60 is: 11,525,781.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,641,806.60 : 24,962,709.90 = 7,683,854.60 : x
  2. Step 2: Convert to fraction form
    16,641,806.60/24,962,709.90 = 7,683,854.60/x
  3. Step 3: Cross multiply
    16,641,806.60x = 24,962,709.90 × 7,683,854.60
  4. Step 4: Simplify right side
    16,641,806.60x = 191,809,833,293,580.53
  5. Step 5: Solve for x
    x = 191,809,833,293,580.53/16,641,806.60
  6. Step 6: Final answer
    x = 11,525,781.90

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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.