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Finding the Fourth Proportional to 67,439.82, 92,994.03 and 45,943.50

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Solution

The fourth proportional to 67,439.82, 92,994.03 and 45,943.50 is: 63,352.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,439.82 : 92,994.03 = 45,943.50 : x
  2. Step 2: Convert to fraction form
    67,439.82/92,994.03 = 45,943.50/x
  3. Step 3: Cross multiply
    67,439.82x = 92,994.03 × 45,943.50
  4. Step 4: Simplify right side
    67,439.82x = 4,272,471,217.31
  5. Step 5: Solve for x
    x = 4,272,471,217.31/67,439.82
  6. Step 6: Final answer
    x = 63,352.35

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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.