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Finding the Fourth Proportional to 67,280, 92,846.40 and 37,473.92

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Solution

The fourth proportional to 67,280, 92,846.40 and 37,473.92 is: 51,714.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,280 : 92,846.40 = 37,473.92 : x
  2. Step 2: Convert to fraction form
    67,280/92,846.40 = 37,473.92/x
  3. Step 3: Cross multiply
    67,280x = 92,846.40 × 37,473.92
  4. Step 4: Simplify right side
    67,280x = 3,479,318,565.89
  5. Step 5: Solve for x
    x = 3,479,318,565.89/67,280
  6. Step 6: Final answer
    x = 51,714.01

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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.