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Finding the Fourth Proportional to 45,161.79, 67,705.75 and 17,065.92

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Solution

The fourth proportional to 45,161.79, 67,705.75 and 17,065.92 is: 25,584.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,161.79 : 67,705.75 = 17,065.92 : x
  2. Step 2: Convert to fraction form
    45,161.79/67,705.75 = 17,065.92/x
  3. Step 3: Cross multiply
    45,161.79x = 67,705.75 × 17,065.92
  4. Step 4: Simplify right side
    45,161.79x = 1,155,460,913.04
  5. Step 5: Solve for x
    x = 1,155,460,913.04/45,161.79
  6. Step 6: Final answer
    x = 25,584.92

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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.