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Finding the Fourth Proportional to 56,473.01, 84,687.90 and 19,023

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Solution

The fourth proportional to 56,473.01, 84,687.90 and 19,023 is: 28,527.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,473.01 : 84,687.90 = 19,023 : x
  2. Step 2: Convert to fraction form
    56,473.01/84,687.90 = 19,023/x
  3. Step 3: Cross multiply
    56,473.01x = 84,687.90 × 19,023
  4. Step 4: Simplify right side
    56,473.01x = 1,611,017,921.70
  5. Step 5: Solve for x
    x = 1,611,017,921.70/56,473.01
  6. Step 6: Final answer
    x = 28,527.22

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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.