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Finding the Fourth Proportional to 36,567, 54,870.96 and 19,928.16

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Solution

The fourth proportional to 36,567, 54,870.96 and 19,928.16 is: 29,903.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,567 : 54,870.96 = 19,928.16 : x
  2. Step 2: Convert to fraction form
    36,567/54,870.96 = 19,928.16/x
  3. Step 3: Cross multiply
    36,567x = 54,870.96 × 19,928.16
  4. Step 4: Simplify right side
    36,567x = 1,093,477,270.23
  5. Step 5: Solve for x
    x = 1,093,477,270.23/36,567
  6. Step 6: Final answer
    x = 29,903.39

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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.