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Finding the Fourth Proportional to 7,114.56, 10,654.80 and 5,458.92

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Solution

The fourth proportional to 7,114.56, 10,654.80 and 5,458.92 is: 8,175.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,114.56 : 10,654.80 = 5,458.92 : x
  2. Step 2: Convert to fraction form
    7,114.56/10,654.80 = 5,458.92/x
  3. Step 3: Cross multiply
    7,114.56x = 10,654.80 × 5,458.92
  4. Step 4: Simplify right side
    7,114.56x = 58,163,700.82
  5. Step 5: Solve for x
    x = 58,163,700.82/7,114.56
  6. Step 6: Final answer
    x = 8,175.31

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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.