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Finding the Fourth Proportional to 67,092.36, 92,681.94 and 63,549.42

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Solution

The fourth proportional to 67,092.36, 92,681.94 and 63,549.42 is: 87,787.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,092.36 : 92,681.94 = 63,549.42 : x
  2. Step 2: Convert to fraction form
    67,092.36/92,681.94 = 63,549.42/x
  3. Step 3: Cross multiply
    67,092.36x = 92,681.94 × 63,549.42
  4. Step 4: Simplify right side
    67,092.36x = 5,889,883,531.47
  5. Step 5: Solve for x
    x = 5,889,883,531.47/67,092.36
  6. Step 6: Final answer
    x = 87,787.69

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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.