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Finding the Fourth Proportional to 11,750.60, 17,622.54 and 8,453.96

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Solution

The fourth proportional to 11,750.60, 17,622.54 and 8,453.96 is: 12,678.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,750.60 : 17,622.54 = 8,453.96 : x
  2. Step 2: Convert to fraction form
    11,750.60/17,622.54 = 8,453.96/x
  3. Step 3: Cross multiply
    11,750.60x = 17,622.54 × 8,453.96
  4. Step 4: Simplify right side
    11,750.60x = 148,980,248.26
  5. Step 5: Solve for x
    x = 148,980,248.26/11,750.60
  6. Step 6: Final answer
    x = 12,678.52

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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.