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Finding the Fourth Proportional to 9,425.15, 13,009.16 and 5,650.75

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Solution

The fourth proportional to 9,425.15, 13,009.16 and 5,650.75 is: 7,799.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,425.15 : 13,009.16 = 5,650.75 : x
  2. Step 2: Convert to fraction form
    9,425.15/13,009.16 = 5,650.75/x
  3. Step 3: Cross multiply
    9,425.15x = 13,009.16 × 5,650.75
  4. Step 4: Simplify right side
    9,425.15x = 73,511,417.57
  5. Step 5: Solve for x
    x = 73,511,417.57/9,425.15
  6. Step 6: Final answer
    x = 7,799.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.