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Finding the Fourth Proportional to 58,893.63, 81,299.75 and 38,761.08

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Solution

The fourth proportional to 58,893.63, 81,299.75 and 38,761.08 is: 53,507.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,893.63 : 81,299.75 = 38,761.08 : x
  2. Step 2: Convert to fraction form
    58,893.63/81,299.75 = 38,761.08/x
  3. Step 3: Cross multiply
    58,893.63x = 81,299.75 × 38,761.08
  4. Step 4: Simplify right side
    58,893.63x = 3,151,266,113.73
  5. Step 5: Solve for x
    x = 3,151,266,113.73/58,893.63
  6. Step 6: Final answer
    x = 53,507.76

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1.5x scale

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.