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Finding the Fourth Proportional to 67,808.81, 93,579.12 and 37,592.21

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Solution

The fourth proportional to 67,808.81, 93,579.12 and 37,592.21 is: 51,878.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,808.81 : 93,579.12 = 37,592.21 : x
  2. Step 2: Convert to fraction form
    67,808.81/93,579.12 = 37,592.21/x
  3. Step 3: Cross multiply
    67,808.81x = 93,579.12 × 37,592.21
  4. Step 4: Simplify right side
    67,808.81x = 3,517,845,274.80
  5. Step 5: Solve for x
    x = 3,517,845,274.80/67,808.81
  6. Step 6: Final answer
    x = 51,878.89

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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.