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Finding the Fourth Proportional to 67,090.52, 92,585.12 and 36,878.94

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Solution

The fourth proportional to 67,090.52, 92,585.12 and 36,878.94 is: 50,893.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,090.52 : 92,585.12 = 36,878.94 : x
  2. Step 2: Convert to fraction form
    67,090.52/92,585.12 = 36,878.94/x
  3. Step 3: Cross multiply
    67,090.52x = 92,585.12 × 36,878.94
  4. Step 4: Simplify right side
    67,090.52x = 3,414,441,085.37
  5. Step 5: Solve for x
    x = 3,414,441,085.37/67,090.52
  6. Step 6: Final answer
    x = 50,893.05

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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.