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Finding the Fourth Proportional to 58,709.07, 88,078.01 and 27,507.87

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Solution

The fourth proportional to 58,709.07, 88,078.01 and 27,507.87 is: 41,268.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,709.07 : 88,078.01 = 27,507.87 : x
  2. Step 2: Convert to fraction form
    58,709.07/88,078.01 = 27,507.87/x
  3. Step 3: Cross multiply
    58,709.07x = 88,078.01 × 27,507.87
  4. Step 4: Simplify right side
    58,709.07x = 2,422,838,311.40
  5. Step 5: Solve for x
    x = 2,422,838,311.40/58,709.07
  6. Step 6: Final answer
    x = 41,268.55

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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.