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Finding the Fourth Proportional to 3,076.17, 4,613.45 and 885.03

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Solution

The fourth proportional to 3,076.17, 4,613.45 and 885.03 is: 1,327.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,076.17 : 4,613.45 = 885.03 : x
  2. Step 2: Convert to fraction form
    3,076.17/4,613.45 = 885.03/x
  3. Step 3: Cross multiply
    3,076.17x = 4,613.45 × 885.03
  4. Step 4: Simplify right side
    3,076.17x = 4,083,037.23
  5. Step 5: Solve for x
    x = 4,083,037.23/3,076.17
  6. Step 6: Final answer
    x = 1,327.31

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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.