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Finding the Fourth Proportional to 45,800.43, 69,065.07 and 45,175.92

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Solution

The fourth proportional to 45,800.43, 69,065.07 and 45,175.92 is: 68,123.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,800.43 : 69,065.07 = 45,175.92 : x
  2. Step 2: Convert to fraction form
    45,800.43/69,065.07 = 45,175.92/x
  3. Step 3: Cross multiply
    45,800.43x = 69,065.07 × 45,175.92
  4. Step 4: Simplify right side
    45,800.43x = 3,120,078,077.11
  5. Step 5: Solve for x
    x = 3,120,078,077.11/45,800.43
  6. Step 6: Final answer
    x = 68,123.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.