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Finding the Fourth Proportional to 17,576.64, 26,346.60 and 7,707.60

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Solution

The fourth proportional to 17,576.64, 26,346.60 and 7,707.60 is: 11,553.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,576.64 : 26,346.60 = 7,707.60 : x
  2. Step 2: Convert to fraction form
    17,576.64/26,346.60 = 7,707.60/x
  3. Step 3: Cross multiply
    17,576.64x = 26,346.60 × 7,707.60
  4. Step 4: Simplify right side
    17,576.64x = 203,069,054.16
  5. Step 5: Solve for x
    x = 203,069,054.16/17,576.64
  6. Step 6: Final answer
    x = 11,553.35

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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.