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Finding the Fourth Proportional to 74,843.52, 103,282.48 and 40,850.88

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Solution

The fourth proportional to 74,843.52, 103,282.48 and 40,850.88 is: 56,373.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,843.52 : 103,282.48 = 40,850.88 : x
  2. Step 2: Convert to fraction form
    74,843.52/103,282.48 = 40,850.88/x
  3. Step 3: Cross multiply
    74,843.52x = 103,282.48 × 40,850.88
  4. Step 4: Simplify right side
    74,843.52x = 4,219,180,196.58
  5. Step 5: Solve for x
    x = 4,219,180,196.58/74,843.52
  6. Step 6: Final answer
    x = 56,373.35

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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.