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Finding the Fourth Proportional to 6,683.60, 10,025.40 and 5,031.20

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Solution

The fourth proportional to 6,683.60, 10,025.40 and 5,031.20 is: 7,546.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,683.60 : 10,025.40 = 5,031.20 : x
  2. Step 2: Convert to fraction form
    6,683.60/10,025.40 = 5,031.20/x
  3. Step 3: Cross multiply
    6,683.60x = 10,025.40 × 5,031.20
  4. Step 4: Simplify right side
    6,683.60x = 50,439,792.48
  5. Step 5: Solve for x
    x = 50,439,792.48/6,683.60
  6. Step 6: Final answer
    x = 7,546.80

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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.