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Finding the Fourth Proportional to 7,792.19, 10,753.22 and 4,255.63

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Solution

The fourth proportional to 7,792.19, 10,753.22 and 4,255.63 is: 5,872.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,792.19 : 10,753.22 = 4,255.63 : x
  2. Step 2: Convert to fraction form
    7,792.19/10,753.22 = 4,255.63/x
  3. Step 3: Cross multiply
    7,792.19x = 10,753.22 × 4,255.63
  4. Step 4: Simplify right side
    7,792.19x = 45,761,725.63
  5. Step 5: Solve for x
    x = 45,761,725.63/7,792.19
  6. Step 6: Final answer
    x = 5,872.77

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Half scale
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Double scale
Find fourth proportional to 7,793.19, 10,754.60 and 4,256.63
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.