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Finding the Fourth Proportional to 45,443, 62,715.18 and 25,574.84

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Solution

The fourth proportional to 45,443, 62,715.18 and 25,574.84 is: 35,295.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,443 : 62,715.18 = 25,574.84 : x
  2. Step 2: Convert to fraction form
    45,443/62,715.18 = 25,574.84/x
  3. Step 3: Cross multiply
    45,443x = 62,715.18 × 25,574.84
  4. Step 4: Simplify right side
    45,443x = 1,603,930,694.07
  5. Step 5: Solve for x
    x = 1,603,930,694.07/45,443
  6. Step 6: Final answer
    x = 35,295.44

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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.