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Finding the Fourth Proportional to 11,335,670.01, 16,978,581.72 and 9,368,099.35

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Solution

The fourth proportional to 11,335,670.01, 16,978,581.72 and 9,368,099.35 is: 14,031,551.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,335,670.01 : 16,978,581.72 = 9,368,099.35 : x
  2. Step 2: Convert to fraction form
    11,335,670.01/16,978,581.72 = 9,368,099.35/x
  3. Step 3: Cross multiply
    11,335,670.01x = 16,978,581.72 × 9,368,099.35
  4. Step 4: Simplify right side
    11,335,670.01x = 159,057,040,332,607.41
  5. Step 5: Solve for x
    x = 159,057,040,332,607.41/11,335,670.01
  6. Step 6: Final answer
    x = 14,031,551.75

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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.