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Finding the Fourth Proportional to 56,470.62, 84,713.73 and 19,041.39

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Solution

The fourth proportional to 56,470.62, 84,713.73 and 19,041.39 is: 28,564.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,470.62 : 84,713.73 = 19,041.39 : x
  2. Step 2: Convert to fraction form
    56,470.62/84,713.73 = 19,041.39/x
  3. Step 3: Cross multiply
    56,470.62x = 84,713.73 × 19,041.39
  4. Step 4: Simplify right side
    56,470.62x = 1,613,067,171.28
  5. Step 5: Solve for x
    x = 1,613,067,171.28/56,470.62
  6. Step 6: Final answer
    x = 28,564.72

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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.