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Finding the Fourth Proportional to 60,609.33, 90,889.69 and 35,655.93

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Solution

The fourth proportional to 60,609.33, 90,889.69 and 35,655.93 is: 53,469.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,609.33 : 90,889.69 = 35,655.93 : x
  2. Step 2: Convert to fraction form
    60,609.33/90,889.69 = 35,655.93/x
  3. Step 3: Cross multiply
    60,609.33x = 90,889.69 × 35,655.93
  4. Step 4: Simplify right side
    60,609.33x = 3,240,756,424.36
  5. Step 5: Solve for x
    x = 3,240,756,424.36/60,609.33
  6. Step 6: Final answer
    x = 53,469.60

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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.