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Finding the Fourth Proportional to 67,679.63, 93,366.86 and 43,813.99

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Solution

The fourth proportional to 67,679.63, 93,366.86 and 43,813.99 is: 60,443.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,679.63 : 93,366.86 = 43,813.99 : x
  2. Step 2: Convert to fraction form
    67,679.63/93,366.86 = 43,813.99/x
  3. Step 3: Cross multiply
    67,679.63x = 93,366.86 × 43,813.99
  4. Step 4: Simplify right side
    67,679.63x = 4,090,774,217.88
  5. Step 5: Solve for x
    x = 4,090,774,217.88/67,679.63
  6. Step 6: Final answer
    x = 60,443.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.