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Finding the Fourth Proportional to 8,650.76, 12,944.64 and 7,494.26

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Solution

The fourth proportional to 8,650.76, 12,944.64 and 7,494.26 is: 11,214.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,650.76 : 12,944.64 = 7,494.26 : x
  2. Step 2: Convert to fraction form
    8,650.76/12,944.64 = 7,494.26/x
  3. Step 3: Cross multiply
    8,650.76x = 12,944.64 × 7,494.26
  4. Step 4: Simplify right side
    8,650.76x = 97,010,497.77
  5. Step 5: Solve for x
    x = 97,010,497.77/8,650.76
  6. Step 6: Final answer
    x = 11,214.10

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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.