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Finding the Fourth Proportional to 79,677.77, 119,516.66 and 26,355.44

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Solution

The fourth proportional to 79,677.77, 119,516.66 and 26,355.44 is: 39,533.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,677.77 : 119,516.66 = 26,355.44 : x
  2. Step 2: Convert to fraction form
    79,677.77/119,516.66 = 26,355.44/x
  3. Step 3: Cross multiply
    79,677.77x = 119,516.66 × 26,355.44
  4. Step 4: Simplify right side
    79,677.77x = 3,149,913,432.27
  5. Step 5: Solve for x
    x = 3,149,913,432.27/79,677.77
  6. Step 6: Final answer
    x = 39,533.15

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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.