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Finding the Fourth Proportional to 60,779.77, 91,169.69 and 16,406.48

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Solution

The fourth proportional to 60,779.77, 91,169.69 and 16,406.48 is: 24,609.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,779.77 : 91,169.69 = 16,406.48 : x
  2. Step 2: Convert to fraction form
    60,779.77/91,169.69 = 16,406.48/x
  3. Step 3: Cross multiply
    60,779.77x = 91,169.69 × 16,406.48
  4. Step 4: Simplify right side
    60,779.77x = 1,495,773,841.48
  5. Step 5: Solve for x
    x = 1,495,773,841.48/60,779.77
  6. Step 6: Final answer
    x = 24,609.73

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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.