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Finding the Fourth Proportional to 67,266, 92,827.08 and 38,988.09

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Solution

The fourth proportional to 67,266, 92,827.08 and 38,988.09 is: 53,803.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,266 : 92,827.08 = 38,988.09 : x
  2. Step 2: Convert to fraction form
    67,266/92,827.08 = 38,988.09/x
  3. Step 3: Cross multiply
    67,266x = 92,827.08 × 38,988.09
  4. Step 4: Simplify right side
    67,266x = 3,619,150,549.48
  5. Step 5: Solve for x
    x = 3,619,150,549.48/67,266
  6. Step 6: Final answer
    x = 53,803.56

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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.