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Finding the Fourth Proportional to 56,593.64, 78,133.42 and 37,489.68

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Solution

The fourth proportional to 56,593.64, 78,133.42 and 37,489.68 is: 51,758.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,593.64 : 78,133.42 = 37,489.68 : x
  2. Step 2: Convert to fraction form
    56,593.64/78,133.42 = 37,489.68/x
  3. Step 3: Cross multiply
    56,593.64x = 78,133.42 × 37,489.68
  4. Step 4: Simplify right side
    56,593.64x = 2,929,196,913.11
  5. Step 5: Solve for x
    x = 2,929,196,913.11/56,593.64
  6. Step 6: Final answer
    x = 51,758.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.