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Finding the Fourth Proportional to 40,673.96, 61,001.10 and 15,698.08

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Solution

The fourth proportional to 40,673.96, 61,001.10 and 15,698.08 is: 23,543.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,673.96 : 61,001.10 = 15,698.08 : x
  2. Step 2: Convert to fraction form
    40,673.96/61,001.10 = 15,698.08/x
  3. Step 3: Cross multiply
    40,673.96x = 61,001.10 × 15,698.08
  4. Step 4: Simplify right side
    40,673.96x = 957,600,147.89
  5. Step 5: Solve for x
    x = 957,600,147.89/40,673.96
  6. Step 6: Final answer
    x = 23,543.32

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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.