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Finding the Fourth Proportional to 3,154.88, 4,730.48 and 962.96

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Solution

The fourth proportional to 3,154.88, 4,730.48 and 962.96 is: 1,443.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,154.88 : 4,730.48 = 962.96 : x
  2. Step 2: Convert to fraction form
    3,154.88/4,730.48 = 962.96/x
  3. Step 3: Cross multiply
    3,154.88x = 4,730.48 × 962.96
  4. Step 4: Simplify right side
    3,154.88x = 4,555,263.02
  5. Step 5: Solve for x
    x = 4,555,263.02/3,154.88
  6. Step 6: Final answer
    x = 1,443.88

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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.