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Finding the Fourth Proportional to 40,307.52, 60,462.48 and 10,728.48

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Solution

The fourth proportional to 40,307.52, 60,462.48 and 10,728.48 is: 16,093.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,307.52 : 60,462.48 = 10,728.48 : x
  2. Step 2: Convert to fraction form
    40,307.52/60,462.48 = 10,728.48/x
  3. Step 3: Cross multiply
    40,307.52x = 60,462.48 × 10,728.48
  4. Step 4: Simplify right side
    40,307.52x = 648,670,507.43
  5. Step 5: Solve for x
    x = 648,670,507.43/40,307.52
  6. Step 6: Final answer
    x = 16,093.04

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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.