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Finding the Fourth Proportional to 11,952.48, 17,922.60 and 7,023.60

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Solution

The fourth proportional to 11,952.48, 17,922.60 and 7,023.60 is: 10,531.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,952.48 : 17,922.60 = 7,023.60 : x
  2. Step 2: Convert to fraction form
    11,952.48/17,922.60 = 7,023.60/x
  3. Step 3: Cross multiply
    11,952.48x = 17,922.60 × 7,023.60
  4. Step 4: Simplify right side
    11,952.48x = 125,881,173.36
  5. Step 5: Solve for x
    x = 125,881,173.36/11,952.48
  6. Step 6: Final answer
    x = 10,531.80

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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.