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Finding the Fourth Proportional to 33,314.40, 45,974.04 and 18,206.82

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Solution

The fourth proportional to 33,314.40, 45,974.04 and 18,206.82 is: 25,125.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,314.40 : 45,974.04 = 18,206.82 : x
  2. Step 2: Convert to fraction form
    33,314.40/45,974.04 = 18,206.82/x
  3. Step 3: Cross multiply
    33,314.40x = 45,974.04 × 18,206.82
  4. Step 4: Simplify right side
    33,314.40x = 837,041,070.95
  5. Step 5: Solve for x
    x = 837,041,070.95/33,314.40
  6. Step 6: Final answer
    x = 25,125.50

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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.