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Finding the Fourth Proportional to 85,344.40, 127,908.60 and 32,683.60

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Solution

The fourth proportional to 85,344.40, 127,908.60 and 32,683.60 is: 48,984.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,344.40 : 127,908.60 = 32,683.60 : x
  2. Step 2: Convert to fraction form
    85,344.40/127,908.60 = 32,683.60/x
  3. Step 3: Cross multiply
    85,344.40x = 127,908.60 × 32,683.60
  4. Step 4: Simplify right side
    85,344.40x = 4,180,513,518.96
  5. Step 5: Solve for x
    x = 4,180,513,518.96/85,344.40
  6. Step 6: Final answer
    x = 48,984.04

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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.