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Finding the Fourth Proportional to 66,251.93, 91,443.90 and 37,588.37

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Solution

The fourth proportional to 66,251.93, 91,443.90 and 37,588.37 is: 51,881.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,251.93 : 91,443.90 = 37,588.37 : x
  2. Step 2: Convert to fraction form
    66,251.93/91,443.90 = 37,588.37/x
  3. Step 3: Cross multiply
    66,251.93x = 91,443.90 × 37,588.37
  4. Step 4: Simplify right side
    66,251.93x = 3,437,226,502.28
  5. Step 5: Solve for x
    x = 3,437,226,502.28/66,251.93
  6. Step 6: Final answer
    x = 51,881.16

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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.