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Finding the Fourth Proportional to 60,779.79, 91,169.55 and 16,410.96

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Solution

The fourth proportional to 60,779.79, 91,169.55 and 16,410.96 is: 24,616.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,779.79 : 91,169.55 = 16,410.96 : x
  2. Step 2: Convert to fraction form
    60,779.79/91,169.55 = 16,410.96/x
  3. Step 3: Cross multiply
    60,779.79x = 91,169.55 × 16,410.96
  4. Step 4: Simplify right side
    60,779.79x = 1,496,179,838.27
  5. Step 5: Solve for x
    x = 1,496,179,838.27/60,779.79
  6. Step 6: Final answer
    x = 24,616.40

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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.