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Finding the Fourth Proportional to 45,168.54, 67,759.03 and 15,185.10

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Solution

The fourth proportional to 45,168.54, 67,759.03 and 15,185.10 is: 22,779.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,168.54 : 67,759.03 = 15,185.10 : x
  2. Step 2: Convert to fraction form
    45,168.54/67,759.03 = 15,185.10/x
  3. Step 3: Cross multiply
    45,168.54x = 67,759.03 × 15,185.10
  4. Step 4: Simplify right side
    45,168.54x = 1,028,927,919.53
  5. Step 5: Solve for x
    x = 1,028,927,919.53/45,168.54
  6. Step 6: Final answer
    x = 22,779.75

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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.