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Finding the Fourth Proportional to 38,708.40, 58,062.60 and 32,584.80

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Solution

The fourth proportional to 38,708.40, 58,062.60 and 32,584.80 is: 48,877.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,708.40 : 58,062.60 = 32,584.80 : x
  2. Step 2: Convert to fraction form
    38,708.40/58,062.60 = 32,584.80/x
  3. Step 3: Cross multiply
    38,708.40x = 58,062.60 × 32,584.80
  4. Step 4: Simplify right side
    38,708.40x = 1,891,958,208.48
  5. Step 5: Solve for x
    x = 1,891,958,208.48/38,708.40
  6. Step 6: Final answer
    x = 48,877.20

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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.