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Finding the Fourth Proportional to 56,397.40, 84,583.14 and 16,953.64

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Solution

The fourth proportional to 56,397.40, 84,583.14 and 16,953.64 is: 25,426.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,397.40 : 84,583.14 = 16,953.64 : x
  2. Step 2: Convert to fraction form
    56,397.40/84,583.14 = 16,953.64/x
  3. Step 3: Cross multiply
    56,397.40x = 84,583.14 × 16,953.64
  4. Step 4: Simplify right side
    56,397.40x = 1,433,992,105.63
  5. Step 5: Solve for x
    x = 1,433,992,105.63/56,397.40
  6. Step 6: Final answer
    x = 25,426.56

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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.