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Finding the Fourth Proportional to 69,342.88, 95,736.72 and 45,504.16

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Solution

The fourth proportional to 69,342.88, 95,736.72 and 45,504.16 is: 62,824.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,342.88 : 95,736.72 = 45,504.16 : x
  2. Step 2: Convert to fraction form
    69,342.88/95,736.72 = 45,504.16/x
  3. Step 3: Cross multiply
    69,342.88x = 95,736.72 × 45,504.16
  4. Step 4: Simplify right side
    69,342.88x = 4,356,419,024.76
  5. Step 5: Solve for x
    x = 4,356,419,024.76/69,342.88
  6. Step 6: Final answer
    x = 62,824.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.