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Finding the Fourth Proportional to 4,961.04, 7,442.28 and 2,988.24

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Solution

The fourth proportional to 4,961.04, 7,442.28 and 2,988.24 is: 4,482.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,961.04 : 7,442.28 = 2,988.24 : x
  2. Step 2: Convert to fraction form
    4,961.04/7,442.28 = 2,988.24/x
  3. Step 3: Cross multiply
    4,961.04x = 7,442.28 × 2,988.24
  4. Step 4: Simplify right side
    4,961.04x = 22,239,318.79
  5. Step 5: Solve for x
    x = 22,239,318.79/4,961.04
  6. Step 6: Final answer
    x = 4,482.79

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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.