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Finding the Fourth Proportional to 54,571.32, 75,199.32 and 39,437.28

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Solution

The fourth proportional to 54,571.32, 75,199.32 and 39,437.28 is: 54,344.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,571.32 : 75,199.32 = 39,437.28 : x
  2. Step 2: Convert to fraction form
    54,571.32/75,199.32 = 39,437.28/x
  3. Step 3: Cross multiply
    54,571.32x = 75,199.32 × 39,437.28
  4. Step 4: Simplify right side
    54,571.32x = 2,965,656,638.65
  5. Step 5: Solve for x
    x = 2,965,656,638.65/54,571.32
  6. Step 6: Final answer
    x = 54,344.60

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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.