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Finding the Fourth Proportional to 45,999.72, 68,999.08 and 32,435.04

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Solution

The fourth proportional to 45,999.72, 68,999.08 and 32,435.04 is: 48,652.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,999.72 : 68,999.08 = 32,435.04 : x
  2. Step 2: Convert to fraction form
    45,999.72/68,999.08 = 32,435.04/x
  3. Step 3: Cross multiply
    45,999.72x = 68,999.08 × 32,435.04
  4. Step 4: Simplify right side
    45,999.72x = 2,237,987,919.76
  5. Step 5: Solve for x
    x = 2,237,987,919.76/45,999.72
  6. Step 6: Final answer
    x = 48,652.21

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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.