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Finding the Fourth Proportional to 48,683.70, 67,197.90 and 28,544.94

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Solution

The fourth proportional to 48,683.70, 67,197.90 and 28,544.94 is: 39,400.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,683.70 : 67,197.90 = 28,544.94 : x
  2. Step 2: Convert to fraction form
    48,683.70/67,197.90 = 28,544.94/x
  3. Step 3: Cross multiply
    48,683.70x = 67,197.90 × 28,544.94
  4. Step 4: Simplify right side
    48,683.70x = 1,918,160,023.63
  5. Step 5: Solve for x
    x = 1,918,160,023.63/48,683.70
  6. Step 6: Final answer
    x = 39,400.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.