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Finding the Fourth Proportional to 8,458.62, 12,745.01 and 7,010.03

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Solution

The fourth proportional to 8,458.62, 12,745.01 and 7,010.03 is: 10,562.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,458.62 : 12,745.01 = 7,010.03 : x
  2. Step 2: Convert to fraction form
    8,458.62/12,745.01 = 7,010.03/x
  3. Step 3: Cross multiply
    8,458.62x = 12,745.01 × 7,010.03
  4. Step 4: Simplify right side
    8,458.62x = 89,342,902.45
  5. Step 5: Solve for x
    x = 89,342,902.45/8,458.62
  6. Step 6: Final answer
    x = 10,562.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.