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Finding the Fourth Proportional to 55,683.60, 83,524.20 and 37,082.80

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Solution

The fourth proportional to 55,683.60, 83,524.20 and 37,082.80 is: 55,623.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,683.60 : 83,524.20 = 37,082.80 : x
  2. Step 2: Convert to fraction form
    55,683.60/83,524.20 = 37,082.80/x
  3. Step 3: Cross multiply
    55,683.60x = 83,524.20 × 37,082.80
  4. Step 4: Simplify right side
    55,683.60x = 3,097,311,203.76
  5. Step 5: Solve for x
    x = 3,097,311,203.76/55,683.60
  6. Step 6: Final answer
    x = 55,623.40

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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.