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Finding the Fourth Proportional to 56,475.01, 84,690.90 and 19,025

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Solution

The fourth proportional to 56,475.01, 84,690.90 and 19,025 is: 28,530.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,475.01 : 84,690.90 = 19,025 : x
  2. Step 2: Convert to fraction form
    56,475.01/84,690.90 = 19,025/x
  3. Step 3: Cross multiply
    56,475.01x = 84,690.90 × 19,025
  4. Step 4: Simplify right side
    56,475.01x = 1,611,244,372.50
  5. Step 5: Solve for x
    x = 1,611,244,372.50/56,475.01
  6. Step 6: Final answer
    x = 28,530.22

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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.