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Finding the Fourth Proportional to 67,268.84, 92,828.80 and 40,044.84

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Solution

The fourth proportional to 67,268.84, 92,828.80 and 40,044.84 is: 55,260.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,268.84 : 92,828.80 = 40,044.84 : x
  2. Step 2: Convert to fraction form
    67,268.84/92,828.80 = 40,044.84/x
  3. Step 3: Cross multiply
    67,268.84x = 92,828.80 × 40,044.84
  4. Step 4: Simplify right side
    67,268.84x = 3,717,314,443.39
  5. Step 5: Solve for x
    x = 3,717,314,443.39/67,268.84
  6. Step 6: Final answer
    x = 55,260.57

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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.