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Finding the Fourth Proportional to 19,764,608.86, 29,652,024.66 and 11,574,168.04

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Solution

The fourth proportional to 19,764,608.86, 29,652,024.66 and 11,574,168.04 is: 17,364,245.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,764,608.86 : 29,652,024.66 = 11,574,168.04 : x
  2. Step 2: Convert to fraction form
    19,764,608.86/29,652,024.66 = 11,574,168.04/x
  3. Step 3: Cross multiply
    19,764,608.86x = 29,652,024.66 × 11,574,168.04
  4. Step 4: Simplify right side
    19,764,608.86x = 343,197,516,141,063.81
  5. Step 5: Solve for x
    x = 343,197,516,141,063.81/19,764,608.86
  6. Step 6: Final answer
    x = 17,364,245.28

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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.