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Finding the Fourth Proportional to 62,467.61, 86,207.36 and 35,609.63

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Solution

The fourth proportional to 62,467.61, 86,207.36 and 35,609.63 is: 49,142.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,467.61 : 86,207.36 = 35,609.63 : x
  2. Step 2: Convert to fraction form
    62,467.61/86,207.36 = 35,609.63/x
  3. Step 3: Cross multiply
    62,467.61x = 86,207.36 × 35,609.63
  4. Step 4: Simplify right side
    62,467.61x = 3,069,811,583.79
  5. Step 5: Solve for x
    x = 3,069,811,583.79/62,467.61
  6. Step 6: Final answer
    x = 49,142.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.