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Finding the Fourth Proportional to 2,962.23, 4,442.57 and 881.68

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Solution

The fourth proportional to 2,962.23, 4,442.57 and 881.68 is: 1,322.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,962.23 : 4,442.57 = 881.68 : x
  2. Step 2: Convert to fraction form
    2,962.23/4,442.57 = 881.68/x
  3. Step 3: Cross multiply
    2,962.23x = 4,442.57 × 881.68
  4. Step 4: Simplify right side
    2,962.23x = 3,916,925.12
  5. Step 5: Solve for x
    x = 3,916,925.12/2,962.23
  6. Step 6: Final answer
    x = 1,322.29

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Similar ratio
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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.