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Finding the Fourth Proportional to 45,169.32, 67,706.46 and 21,746.28

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Solution

The fourth proportional to 45,169.32, 67,706.46 and 21,746.28 is: 32,596.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,169.32 : 67,706.46 = 21,746.28 : x
  2. Step 2: Convert to fraction form
    45,169.32/67,706.46 = 21,746.28/x
  3. Step 3: Cross multiply
    45,169.32x = 67,706.46 × 21,746.28
  4. Step 4: Simplify right side
    45,169.32x = 1,472,363,636.97
  5. Step 5: Solve for x
    x = 1,472,363,636.97/45,169.32
  6. Step 6: Final answer
    x = 32,596.54

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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.