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Finding the Fourth Proportional to 58,167.48, 87,268.41 and 18,723.63

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Solution

The fourth proportional to 58,167.48, 87,268.41 and 18,723.63 is: 28,090.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,167.48 : 87,268.41 = 18,723.63 : x
  2. Step 2: Convert to fraction form
    58,167.48/87,268.41 = 18,723.63/x
  3. Step 3: Cross multiply
    58,167.48x = 87,268.41 × 18,723.63
  4. Step 4: Simplify right side
    58,167.48x = 1,633,981,419.53
  5. Step 5: Solve for x
    x = 1,633,981,419.53/58,167.48
  6. Step 6: Final answer
    x = 28,090.98

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1.5x scale

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.