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Finding the Fourth Proportional to 54,152.88, 74,725.88 and 30,276.24

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Solution

The fourth proportional to 54,152.88, 74,725.88 and 30,276.24 is: 41,778.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,152.88 : 74,725.88 = 30,276.24 : x
  2. Step 2: Convert to fraction form
    54,152.88/74,725.88 = 30,276.24/x
  3. Step 3: Cross multiply
    54,152.88x = 74,725.88 × 30,276.24
  4. Step 4: Simplify right side
    54,152.88x = 2,262,418,677.09
  5. Step 5: Solve for x
    x = 2,262,418,677.09/54,152.88
  6. Step 6: Final answer
    x = 41,778.36

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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.