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Finding the Fourth Proportional to 38,600.67, 57,799.50 and 31,064.16

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Solution

The fourth proportional to 38,600.67, 57,799.50 and 31,064.16 is: 46,514.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,600.67 : 57,799.50 = 31,064.16 : x
  2. Step 2: Convert to fraction form
    38,600.67/57,799.50 = 31,064.16/x
  3. Step 3: Cross multiply
    38,600.67x = 57,799.50 × 31,064.16
  4. Step 4: Simplify right side
    38,600.67x = 1,795,492,915.92
  5. Step 5: Solve for x
    x = 1,795,492,915.92/38,600.67
  6. Step 6: Final answer
    x = 46,514.55

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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.