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Finding the Fourth Proportional to 37,646.40, 56,469.60 and 36,091.20

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Solution

The fourth proportional to 37,646.40, 56,469.60 and 36,091.20 is: 54,136.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,646.40 : 56,469.60 = 36,091.20 : x
  2. Step 2: Convert to fraction form
    37,646.40/56,469.60 = 36,091.20/x
  3. Step 3: Cross multiply
    37,646.40x = 56,469.60 × 36,091.20
  4. Step 4: Simplify right side
    37,646.40x = 2,038,055,627.52
  5. Step 5: Solve for x
    x = 2,038,055,627.52/37,646.40
  6. Step 6: Final answer
    x = 54,136.80

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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.