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Finding the Fourth Proportional to 15,751,916.80, 23,592,445.80 and 9,374,624.80

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Solution

The fourth proportional to 15,751,916.80, 23,592,445.80 and 9,374,624.80 is: 14,040,851.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,751,916.80 : 23,592,445.80 = 9,374,624.80 : x
  2. Step 2: Convert to fraction form
    15,751,916.80/23,592,445.80 = 9,374,624.80/x
  3. Step 3: Cross multiply
    15,751,916.80x = 23,592,445.80 × 9,374,624.80
  4. Step 4: Simplify right side
    15,751,916.80x = 221,170,327,489,335.88
  5. Step 5: Solve for x
    x = 221,170,327,489,335.88/15,751,916.80
  6. Step 6: Final answer
    x = 14,040,851.68

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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.