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Finding the Fourth Proportional to 67,369.70, 92,970.92 and 37,156.30

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Solution

The fourth proportional to 67,369.70, 92,970.92 and 37,156.30 is: 51,276.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,369.70 : 92,970.92 = 37,156.30 : x
  2. Step 2: Convert to fraction form
    67,369.70/92,970.92 = 37,156.30/x
  3. Step 3: Cross multiply
    67,369.70x = 92,970.92 × 37,156.30
  4. Step 4: Simplify right side
    67,369.70x = 3,454,455,394.80
  5. Step 5: Solve for x
    x = 3,454,455,394.80/67,369.70
  6. Step 6: Final answer
    x = 51,276.10

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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.