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Finding the Fourth Proportional to 65,452.80, 90,325.26 and 36,772.68

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Solution

The fourth proportional to 65,452.80, 90,325.26 and 36,772.68 is: 50,746.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,452.80 : 90,325.26 = 36,772.68 : x
  2. Step 2: Convert to fraction form
    65,452.80/90,325.26 = 36,772.68/x
  3. Step 3: Cross multiply
    65,452.80x = 90,325.26 × 36,772.68
  4. Step 4: Simplify right side
    65,452.80x = 3,321,501,881.90
  5. Step 5: Solve for x
    x = 3,321,501,881.90/65,452.80
  6. Step 6: Final answer
    x = 50,746.52

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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.