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Finding the Fourth Proportional to 11,990,833.10, 16,824,957.70 and 11,990,833.10

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Solution

The fourth proportional to 11,990,833.10, 16,824,957.70 and 11,990,833.10 is: 16,824,957.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,990,833.10 : 16,824,957.70 = 11,990,833.10 : x
  2. Step 2: Convert to fraction form
    11,990,833.10/16,824,957.70 = 11,990,833.10/x
  3. Step 3: Cross multiply
    11,990,833.10x = 16,824,957.70 × 11,990,833.10
  4. Step 4: Simplify right side
    11,990,833.10x = 201,745,259,695,259.84
  5. Step 5: Solve for x
    x = 201,745,259,695,259.84/11,990,833.10
  6. Step 6: Final answer
    x = 16,824,957.70

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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.