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Finding the Fourth Proportional to 45,551.84, 68,358.48 and 15,969.92

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Solution

The fourth proportional to 45,551.84, 68,358.48 and 15,969.92 is: 23,965.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,551.84 : 68,358.48 = 15,969.92 : x
  2. Step 2: Convert to fraction form
    45,551.84/68,358.48 = 15,969.92/x
  3. Step 3: Cross multiply
    45,551.84x = 68,358.48 × 15,969.92
  4. Step 4: Simplify right side
    45,551.84x = 1,091,679,456.92
  5. Step 5: Solve for x
    x = 1,091,679,456.92/45,551.84
  6. Step 6: Final answer
    x = 23,965.65

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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.