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Finding the Fourth Proportional to 11,477.88, 17,216.74 and 7,599.64

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Solution

The fourth proportional to 11,477.88, 17,216.74 and 7,599.64 is: 11,399.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,477.88 : 17,216.74 = 7,599.64 : x
  2. Step 2: Convert to fraction form
    11,477.88/17,216.74 = 7,599.64/x
  3. Step 3: Cross multiply
    11,477.88x = 17,216.74 × 7,599.64
  4. Step 4: Simplify right side
    11,477.88x = 130,841,025.97
  5. Step 5: Solve for x
    x = 130,841,025.97/11,477.88
  6. Step 6: Final answer
    x = 11,399.41

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Half scale
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Double scale
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Similar ratio
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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.