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Finding the Fourth Proportional to 17,693,833.87, 24,404,913.03 and 11,810,501.76

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Solution

The fourth proportional to 17,693,833.87, 24,404,913.03 and 11,810,501.76 is: 16,290,096.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,693,833.87 : 24,404,913.03 = 11,810,501.76 : x
  2. Step 2: Convert to fraction form
    17,693,833.87/24,404,913.03 = 11,810,501.76/x
  3. Step 3: Cross multiply
    17,693,833.87x = 24,404,913.03 × 11,810,501.76
  4. Step 4: Simplify right side
    17,693,833.87x = 288,234,268,429,269.75
  5. Step 5: Solve for x
    x = 288,234,268,429,269.75/17,693,833.87
  6. Step 6: Final answer
    x = 16,290,096.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.