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Finding the Fourth Proportional to 56,673.59, 84,973.94 and 27,090.77

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Solution

The fourth proportional to 56,673.59, 84,973.94 and 27,090.77 is: 40,618.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,673.59 : 84,973.94 = 27,090.77 : x
  2. Step 2: Convert to fraction form
    56,673.59/84,973.94 = 27,090.77/x
  3. Step 3: Cross multiply
    56,673.59x = 84,973.94 × 27,090.77
  4. Step 4: Simplify right side
    56,673.59x = 2,302,009,329.08
  5. Step 5: Solve for x
    x = 2,302,009,329.08/56,673.59
  6. Step 6: Final answer
    x = 40,618.73

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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.