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Finding the Fourth Proportional to 38,196.48, 57,297.48 and 15,987.52

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Solution

The fourth proportional to 38,196.48, 57,297.48 and 15,987.52 is: 23,982.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,196.48 : 57,297.48 = 15,987.52 : x
  2. Step 2: Convert to fraction form
    38,196.48/57,297.48 = 15,987.52/x
  3. Step 3: Cross multiply
    38,196.48x = 57,297.48 × 15,987.52
  4. Step 4: Simplify right side
    38,196.48x = 916,044,607.45
  5. Step 5: Solve for x
    x = 916,044,607.45/38,196.48
  6. Step 6: Final answer
    x = 23,982.44

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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.