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Finding the Fourth Proportional to 57,649.35, 86,467.54 and 15,532.55

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Solution

The fourth proportional to 57,649.35, 86,467.54 and 15,532.55 is: 23,297.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,649.35 : 86,467.54 = 15,532.55 : x
  2. Step 2: Convert to fraction form
    57,649.35/86,467.54 = 15,532.55/x
  3. Step 3: Cross multiply
    57,649.35x = 86,467.54 × 15,532.55
  4. Step 4: Simplify right side
    57,649.35x = 1,343,061,388.43
  5. Step 5: Solve for x
    x = 1,343,061,388.43/57,649.35
  6. Step 6: Final answer
    x = 23,297.08

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1.5x scale

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.