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Finding the Fourth Proportional to 3,884.64, 5,826.88 and 962.91

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Solution

The fourth proportional to 3,884.64, 5,826.88 and 962.91 is: 1,444.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,884.64 : 5,826.88 = 962.91 : x
  2. Step 2: Convert to fraction form
    3,884.64/5,826.88 = 962.91/x
  3. Step 3: Cross multiply
    3,884.64x = 5,826.88 × 962.91
  4. Step 4: Simplify right side
    3,884.64x = 5,610,761.02
  5. Step 5: Solve for x
    x = 5,610,761.02/3,884.64
  6. Step 6: Final answer
    x = 1,444.35

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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.