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Finding the Fourth Proportional to 15,672,860.30, 23,473,861.05 and 9,295,568.30

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Solution

The fourth proportional to 15,672,860.30, 23,473,861.05 and 9,295,568.30 is: 13,922,339.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,672,860.30 : 23,473,861.05 = 9,295,568.30 : x
  2. Step 2: Convert to fraction form
    15,672,860.30/23,473,861.05 = 9,295,568.30/x
  3. Step 3: Cross multiply
    15,672,860.30x = 23,473,861.05 × 9,295,568.30
  4. Step 4: Simplify right side
    15,672,860.30x = 218,202,878,654,984.75
  5. Step 5: Solve for x
    x = 218,202,878,654,984.75/15,672,860.30
  6. Step 6: Final answer
    x = 13,922,339.28

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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.