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Finding the Fourth Proportional to 60,779.70, 91,176.83 and 18,654.27

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Solution

The fourth proportional to 60,779.70, 91,176.83 and 18,654.27 is: 27,983.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,779.70 : 91,176.83 = 18,654.27 : x
  2. Step 2: Convert to fraction form
    60,779.70/91,176.83 = 18,654.27/x
  3. Step 3: Cross multiply
    60,779.70x = 91,176.83 × 18,654.27
  4. Step 4: Simplify right side
    60,779.70x = 1,700,837,111.29
  5. Step 5: Solve for x
    x = 1,700,837,111.29/60,779.70
  6. Step 6: Final answer
    x = 27,983.64

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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.