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Finding the Fourth Proportional to 67,013.49, 92,474.41 and 36,798.60

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Solution

The fourth proportional to 67,013.49, 92,474.41 and 36,798.60 is: 50,779.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,013.49 : 92,474.41 = 36,798.60 : x
  2. Step 2: Convert to fraction form
    67,013.49/92,474.41 = 36,798.60/x
  3. Step 3: Cross multiply
    67,013.49x = 92,474.41 × 36,798.60
  4. Step 4: Simplify right side
    67,013.49x = 3,402,928,823.83
  5. Step 5: Solve for x
    x = 3,402,928,823.83/67,013.49
  6. Step 6: Final answer
    x = 50,779.76

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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.