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Finding the Fourth Proportional to 36,435.80, 54,653.70 and 13,064.60

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Solution

The fourth proportional to 36,435.80, 54,653.70 and 13,064.60 is: 19,596.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,435.80 : 54,653.70 = 13,064.60 : x
  2. Step 2: Convert to fraction form
    36,435.80/54,653.70 = 13,064.60/x
  3. Step 3: Cross multiply
    36,435.80x = 54,653.70 × 13,064.60
  4. Step 4: Simplify right side
    36,435.80x = 714,028,729.02
  5. Step 5: Solve for x
    x = 714,028,729.02/36,435.80
  6. Step 6: Final answer
    x = 19,596.90

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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.