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Finding the Fourth Proportional to 56,651.58, 85,000.41 and 36,411

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Solution

The fourth proportional to 56,651.58, 85,000.41 and 36,411 is: 54,631.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,651.58 : 85,000.41 = 36,411 : x
  2. Step 2: Convert to fraction form
    56,651.58/85,000.41 = 36,411/x
  3. Step 3: Cross multiply
    56,651.58x = 85,000.41 × 36,411
  4. Step 4: Simplify right side
    56,651.58x = 3,094,949,928.51
  5. Step 5: Solve for x
    x = 3,094,949,928.51/56,651.58
  6. Step 6: Final answer
    x = 54,631.31

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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.