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Finding the Fourth Proportional to 3,154.16, 4,731.98 and 962.89

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Solution

The fourth proportional to 3,154.16, 4,731.98 and 962.89 is: 1,444.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,154.16 : 4,731.98 = 962.89 : x
  2. Step 2: Convert to fraction form
    3,154.16/4,731.98 = 962.89/x
  3. Step 3: Cross multiply
    3,154.16x = 4,731.98 × 962.89
  4. Step 4: Simplify right side
    3,154.16x = 4,556,361.99
  5. Step 5: Solve for x
    x = 4,556,361.99/3,154.16
  6. Step 6: Final answer
    x = 1,444.56

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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.