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Finding the Fourth Proportional to 4,971.04, 7,454.40 and 2,893.12

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Solution

The fourth proportional to 4,971.04, 7,454.40 and 2,893.12 is: 4,338.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,971.04 : 7,454.40 = 2,893.12 : x
  2. Step 2: Convert to fraction form
    4,971.04/7,454.40 = 2,893.12/x
  3. Step 3: Cross multiply
    4,971.04x = 7,454.40 × 2,893.12
  4. Step 4: Simplify right side
    4,971.04x = 21,566,473.73
  5. Step 5: Solve for x
    x = 21,566,473.73/4,971.04
  6. Step 6: Final answer
    x = 4,338.42

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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.