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Finding the Fourth Proportional to 56,482.60, 84,821.10 and 36,848.20

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Solution

The fourth proportional to 56,482.60, 84,821.10 and 36,848.20 is: 55,335.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,482.60 : 84,821.10 = 36,848.20 : x
  2. Step 2: Convert to fraction form
    56,482.60/84,821.10 = 36,848.20/x
  3. Step 3: Cross multiply
    56,482.60x = 84,821.10 × 36,848.20
  4. Step 4: Simplify right side
    56,482.60x = 3,125,504,857.02
  5. Step 5: Solve for x
    x = 3,125,504,857.02/56,482.60
  6. Step 6: Final answer
    x = 55,335.71

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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.