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Finding the Fourth Proportional to 4,728.52, 7,092.54 and 1,955.32

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Solution

The fourth proportional to 4,728.52, 7,092.54 and 1,955.32 is: 2,932.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,728.52 : 7,092.54 = 1,955.32 : x
  2. Step 2: Convert to fraction form
    4,728.52/7,092.54 = 1,955.32/x
  3. Step 3: Cross multiply
    4,728.52x = 7,092.54 × 1,955.32
  4. Step 4: Simplify right side
    4,728.52x = 13,868,185.31
  5. Step 5: Solve for x
    x = 13,868,185.31/4,728.52
  6. Step 6: Final answer
    x = 2,932.88

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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.