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Finding the Fourth Proportional to 67,316.14, 92,895.02 and 36,689.50

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Solution

The fourth proportional to 67,316.14, 92,895.02 and 36,689.50 is: 50,630.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,316.14 : 92,895.02 = 36,689.50 : x
  2. Step 2: Convert to fraction form
    67,316.14/92,895.02 = 36,689.50/x
  3. Step 3: Cross multiply
    67,316.14x = 92,895.02 × 36,689.50
  4. Step 4: Simplify right side
    67,316.14x = 3,408,271,836.29
  5. Step 5: Solve for x
    x = 3,408,271,836.29/67,316.14
  6. Step 6: Final answer
    x = 50,630.83

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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.