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Finding the Fourth Proportional to 45,673.40, 68,463.38 and 25,910.20

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Solution

The fourth proportional to 45,673.40, 68,463.38 and 25,910.20 is: 38,838.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,673.40 : 68,463.38 = 25,910.20 : x
  2. Step 2: Convert to fraction form
    45,673.40/68,463.38 = 25,910.20/x
  3. Step 3: Cross multiply
    45,673.40x = 68,463.38 × 25,910.20
  4. Step 4: Simplify right side
    45,673.40x = 1,773,899,868.48
  5. Step 5: Solve for x
    x = 1,773,899,868.48/45,673.40
  6. Step 6: Final answer
    x = 38,838.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.