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Finding the Fourth Proportional to 67,328.65, 92,787.67 and 50,302.86

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Solution

The fourth proportional to 67,328.65, 92,787.67 and 50,302.86 is: 69,323.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,328.65 : 92,787.67 = 50,302.86 : x
  2. Step 2: Convert to fraction form
    67,328.65/92,787.67 = 50,302.86/x
  3. Step 3: Cross multiply
    67,328.65x = 92,787.67 × 50,302.86
  4. Step 4: Simplify right side
    67,328.65x = 4,667,485,173.74
  5. Step 5: Solve for x
    x = 4,667,485,173.74/67,328.65
  6. Step 6: Final answer
    x = 69,323.91

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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.