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Finding the Fourth Proportional to 11,687,359.02, 17,531,038.68 and 3,167,695.49

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Solution

The fourth proportional to 11,687,359.02, 17,531,038.68 and 3,167,695.49 is: 4,751,543.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,687,359.02 : 17,531,038.68 = 3,167,695.49 : x
  2. Step 2: Convert to fraction form
    11,687,359.02/17,531,038.68 = 3,167,695.49/x
  3. Step 3: Cross multiply
    11,687,359.02x = 17,531,038.68 × 3,167,695.49
  4. Step 4: Simplify right side
    11,687,359.02x = 55,532,992,062,117.50
  5. Step 5: Solve for x
    x = 55,532,992,062,117.50/11,687,359.02
  6. Step 6: Final answer
    x = 4,751,543.27

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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.