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Finding the Fourth Proportional to 56,471.63, 84,715.25 and 19,042.41

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Solution

The fourth proportional to 56,471.63, 84,715.25 and 19,042.41 is: 28,566.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,471.63 : 84,715.25 = 19,042.41 : x
  2. Step 2: Convert to fraction form
    56,471.63/84,715.25 = 19,042.41/x
  3. Step 3: Cross multiply
    56,471.63x = 84,715.25 × 19,042.41
  4. Step 4: Simplify right side
    56,471.63x = 1,613,182,746.22
  5. Step 5: Solve for x
    x = 1,613,182,746.22/56,471.63
  6. Step 6: Final answer
    x = 28,566.25

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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.