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Finding the Fourth Proportional to 11,563.60, 17,316.60 and 9,259.60

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Solution

The fourth proportional to 11,563.60, 17,316.60 and 9,259.60 is: 13,866.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,563.60 : 17,316.60 = 9,259.60 : x
  2. Step 2: Convert to fraction form
    11,563.60/17,316.60 = 9,259.60/x
  3. Step 3: Cross multiply
    11,563.60x = 17,316.60 × 9,259.60
  4. Step 4: Simplify right side
    11,563.60x = 160,344,789.36
  5. Step 5: Solve for x
    x = 160,344,789.36/11,563.60
  6. Step 6: Final answer
    x = 13,866.34

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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.