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Finding the Fourth Proportional to 67,454.88, 92,935.84 and 47,017.76

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Solution

The fourth proportional to 67,454.88, 92,935.84 and 47,017.76 is: 64,778.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,454.88 : 92,935.84 = 47,017.76 : x
  2. Step 2: Convert to fraction form
    67,454.88/92,935.84 = 47,017.76/x
  3. Step 3: Cross multiply
    67,454.88x = 92,935.84 × 47,017.76
  4. Step 4: Simplify right side
    67,454.88x = 4,369,635,020.52
  5. Step 5: Solve for x
    x = 4,369,635,020.52/67,454.88
  6. Step 6: Final answer
    x = 64,778.63

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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.