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Finding the Fourth Proportional to 67,959.92, 93,674.76 and 50,702.96

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Solution

The fourth proportional to 67,959.92, 93,674.76 and 50,702.96 is: 69,888.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,959.92 : 93,674.76 = 50,702.96 : x
  2. Step 2: Convert to fraction form
    67,959.92/93,674.76 = 50,702.96/x
  3. Step 3: Cross multiply
    67,959.92x = 93,674.76 × 50,702.96
  4. Step 4: Simplify right side
    67,959.92x = 4,749,587,609.29
  5. Step 5: Solve for x
    x = 4,749,587,609.29/67,959.92
  6. Step 6: Final answer
    x = 69,888.07

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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.