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Finding the Fourth Proportional to 32,728.64, 49,064.64 and 15,189.44

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Solution

The fourth proportional to 32,728.64, 49,064.64 and 15,189.44 is: 22,771.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,728.64 : 49,064.64 = 15,189.44 : x
  2. Step 2: Convert to fraction form
    32,728.64/49,064.64 = 15,189.44/x
  3. Step 3: Cross multiply
    32,728.64x = 49,064.64 × 15,189.44
  4. Step 4: Simplify right side
    32,728.64x = 745,264,405.40
  5. Step 5: Solve for x
    x = 745,264,405.40/32,728.64
  6. Step 6: Final answer
    x = 22,771.02

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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.