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Finding the Fourth Proportional to 7,090.95, 10,631.16 and 4,893.42

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Solution

The fourth proportional to 7,090.95, 10,631.16 and 4,893.42 is: 7,336.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,090.95 : 10,631.16 = 4,893.42 : x
  2. Step 2: Convert to fraction form
    7,090.95/10,631.16 = 4,893.42/x
  3. Step 3: Cross multiply
    7,090.95x = 10,631.16 × 4,893.42
  4. Step 4: Simplify right side
    7,090.95x = 52,022,730.97
  5. Step 5: Solve for x
    x = 52,022,730.97/7,090.95
  6. Step 6: Final answer
    x = 7,336.50

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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.