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Finding the Fourth Proportional to 67,498.40, 92,338.29 and 67,214.09

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Solution

The fourth proportional to 67,498.40, 92,338.29 and 67,214.09 is: 91,949.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,498.40 : 92,338.29 = 67,214.09 : x
  2. Step 2: Convert to fraction form
    67,498.40/92,338.29 = 67,214.09/x
  3. Step 3: Cross multiply
    67,498.40x = 92,338.29 × 67,214.09
  4. Step 4: Simplify right side
    67,498.40x = 6,206,433,420.76
  5. Step 5: Solve for x
    x = 6,206,433,420.76/67,498.40
  6. Step 6: Final answer
    x = 91,949.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.